butteraugli 0.9.2

//! Reference scores from libjxl butteraugli_main + diffmap stats from Rust.
//!
//! Scores: captured from C++ butteraugli_main (ground truth for parity testing).
//! Stats: computed from Rust butteraugli diffmap (regression detection).
//!
//! Generated by: cargo test --test capture_cpp_scores -- --ignored
//! libjxl commit: d2c7032e0ddb5e5590852292ed635b9bc7ab1e12 (2026-02-22)
//! intensity_target: 80
//! Image format: PPM (nonlinear sRGB, no ICC profiles)
//! Date: 2026-03-09

/// Intensity target used when capturing reference scores.
pub const REFERENCE_INTENSITY_TARGET: f32 = 80.0;

/// Diffmap statistics computed from Rust butteraugli.
#[derive(Debug, Clone, Copy)]
#[non_exhaustive]
pub struct DiffmapStats {
    pub min: f32,
    pub max: f32,
    pub mean: f32,
    pub std: f32,
}

/// A reference test case with C++ score and Rust diffmap stats.
#[derive(Debug)]
#[non_exhaustive]
pub struct ReferenceCase {
    pub name: &'static str,
    pub width: usize,
    pub height: usize,
    /// Ground truth score from C++ libjxl butteraugli_main.
    pub expected_score: f64,
    /// Diffmap statistics from Rust butteraugli (for regression detection).
    pub expected_stats: DiffmapStats,
}

/// Number of reference cases.
pub const REFERENCE_CASE_COUNT: usize = 908;

/// All reference cases.
pub const REFERENCE_CASES: &[ReferenceCase] = &[
    ReferenceCase {
        name: "uniform_gray_128_shift_1_8x8",
        width: 8,
        height: 8,
        expected_score: 1.590892076500000,
        expected_stats: DiffmapStats {
            min: 1.5906721,
            max: 1.5908588,
            mean: 1.5907502,
            std: 4.7239828e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_1_9x9",
        width: 9,
        height: 9,
        expected_score: 1.590945124600000,
        expected_stats: DiffmapStats {
            min: 1.5906125,
            max: 1.5909636,
            mean: 1.590762,
            std: 7.202677e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_1_15x15",
        width: 15,
        height: 15,
        expected_score: 2.147598981900000,
        expected_stats: DiffmapStats {
            min: 2.1473958,
            max: 2.1476703,
            mean: 2.1475422,
            std: 5.6082805e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_1_16x16",
        width: 16,
        height: 16,
        expected_score: 2.147623539000000,
        expected_stats: DiffmapStats {
            min: 2.1474354,
            max: 2.1476927,
            mean: 2.1475658,
            std: 5.454799e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_1_17x17",
        width: 17,
        height: 17,
        expected_score: 2.147639989900000,
        expected_stats: DiffmapStats {
            min: 2.1473484,
            max: 2.1477141,
            mean: 2.147545,
            std: 6.481276e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_1_23x23",
        width: 23,
        height: 23,
        expected_score: 2.147765159600000,
        expected_stats: DiffmapStats {
            min: 2.1473196,
            max: 2.147662,
            mean: 2.1475115,
            std: 6.0363367e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_1_24x24",
        width: 24,
        height: 24,
        expected_score: 2.147717952700000,
        expected_stats: DiffmapStats {
            min: 2.147312,
            max: 2.147666,
            mean: 2.1475008,
            std: 5.64767e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_1_31x31",
        width: 31,
        height: 31,
        expected_score: 2.147723197900000,
        expected_stats: DiffmapStats {
            min: 2.1473243,
            max: 2.147716,
            mean: 2.1475422,
            std: 5.7333342e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_1_32x32",
        width: 32,
        height: 32,
        expected_score: 2.147728204700000,
        expected_stats: DiffmapStats {
            min: 2.1473243,
            max: 2.147737,
            mean: 2.14756,
            std: 6.373125e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_1_33x33",
        width: 33,
        height: 33,
        expected_score: 2.147756815000000,
        expected_stats: DiffmapStats {
            min: 2.1473222,
            max: 2.147728,
            mean: 2.1475422,
            std: 6.507189e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_1_47x47",
        width: 47,
        height: 47,
        expected_score: 2.147831201600000,
        expected_stats: DiffmapStats {
            min: 2.1472957,
            max: 2.14773,
            mean: 2.1475084,
            std: 5.2752093e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_1_48x48",
        width: 48,
        height: 48,
        expected_score: 2.147809028600000,
        expected_stats: DiffmapStats {
            min: 2.1472957,
            max: 2.14771,
            mean: 2.1475163,
            std: 5.5367473e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_1_64x64",
        width: 64,
        height: 64,
        expected_score: 2.147846221900000,
        expected_stats: DiffmapStats {
            min: 2.1472976,
            max: 2.1477213,
            mean: 2.1475291,
            std: 5.1659117e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_1_23x31",
        width: 23,
        height: 31,
        expected_score: 2.147732257800000,
        expected_stats: DiffmapStats {
            min: 2.147295,
            max: 2.1477103,
            mean: 2.147514,
            std: 5.7448175e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_1_31x23",
        width: 31,
        height: 23,
        expected_score: 2.147717475900000,
        expected_stats: DiffmapStats {
            min: 2.1472845,
            max: 2.1476896,
            mean: 2.147526,
            std: 5.955522e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_1_47x33",
        width: 47,
        height: 33,
        expected_score: 2.147769451100000,
        expected_stats: DiffmapStats {
            min: 2.147273,
            max: 2.147727,
            mean: 2.147503,
            std: 5.82141e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_1_33x47",
        width: 33,
        height: 47,
        expected_score: 2.147771835300000,
        expected_stats: DiffmapStats {
            min: 2.147307,
            max: 2.1477509,
            mean: 2.147538,
            std: 6.0949555e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_1_128x96",
        width: 128,
        height: 96,
        expected_score: 2.147857189200000,
        expected_stats: DiffmapStats {
            min: 2.1472976,
            max: 2.1477213,
            mean: 2.1475184,
            std: 4.0983035e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_1_96x128",
        width: 96,
        height: 128,
        expected_score: 2.147857189200000,
        expected_stats: DiffmapStats {
            min: 2.1472976,
            max: 2.1477213,
            mean: 2.1475239,
            std: 3.9456078e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_1_128x128",
        width: 128,
        height: 128,
        expected_score: 2.147857189200000,
        expected_stats: DiffmapStats {
            min: 2.1472976,
            max: 2.1477213,
            mean: 2.1475196,
            std: 3.7462305e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_1_192x192",
        width: 192,
        height: 192,
        expected_score: 2.147857189200000,
        expected_stats: DiffmapStats {
            min: 2.1472976,
            max: 2.1477213,
            mean: 2.1475165,
            std: 3.0773244e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_1_256x256",
        width: 256,
        height: 256,
        expected_score: 2.147857189200000,
        expected_stats: DiffmapStats {
            min: 2.1472976,
            max: 2.1477213,
            mean: 2.1475148,
            std: 2.6725515e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_1_384x384",
        width: 384,
        height: 384,
        expected_score: 2.147857189200000,
        expected_stats: DiffmapStats {
            min: 2.1472976,
            max: 2.1477213,
            mean: 2.1475134,
            std: 2.1879856e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_1_512x512",
        width: 512,
        height: 512,
        expected_score: 2.147857189200000,
        expected_stats: DiffmapStats {
            min: 2.1472976,
            max: 2.1477213,
            mean: 2.1475124,
            std: 1.8972989e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_5_8x8",
        width: 8,
        height: 8,
        expected_score: 7.924504280100000,
        expected_stats: DiffmapStats {
            min: 7.9244127,
            max: 7.9246016,
            mean: 7.924484,
            std: 4.6932884e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_5_9x9",
        width: 9,
        height: 9,
        expected_score: 7.924494743300000,
        expected_stats: DiffmapStats {
            min: 7.9242883,
            max: 7.924616,
            mean: 7.9244375,
            std: 7.032234e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_5_15x15",
        width: 15,
        height: 15,
        expected_score: 10.698066711399999,
        expected_stats: DiffmapStats {
            min: 10.6979065,
            max: 10.698122,
            mean: 10.69803,
            std: 4.19824e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_5_16x16",
        width: 16,
        height: 16,
        expected_score: 10.698085784900000,
        expected_stats: DiffmapStats {
            min: 10.697923,
            max: 10.698236,
            mean: 10.698052,
            std: 5.572773e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_5_17x17",
        width: 17,
        height: 17,
        expected_score: 10.698064804099999,
        expected_stats: DiffmapStats {
            min: 10.697775,
            max: 10.698114,
            mean: 10.697953,
            std: 5.944424e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_5_23x23",
        width: 23,
        height: 23,
        expected_score: 10.698108673100000,
        expected_stats: DiffmapStats {
            min: 10.697601,
            max: 10.698066,
            mean: 10.697832,
            std: 7.302792e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_5_24x24",
        width: 24,
        height: 24,
        expected_score: 10.697942733800000,
        expected_stats: DiffmapStats {
            min: 10.697588,
            max: 10.697981,
            mean: 10.697803,
            std: 5.7273515e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_5_31x31",
        width: 31,
        height: 31,
        expected_score: 10.698089599599999,
        expected_stats: DiffmapStats {
            min: 10.697672,
            max: 10.698179,
            mean: 10.697942,
            std: 6.921781e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_5_32x32",
        width: 32,
        height: 32,
        expected_score: 10.698137283299999,
        expected_stats: DiffmapStats {
            min: 10.697671,
            max: 10.698178,
            mean: 10.697946,
            std: 7.735411e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_5_33x33",
        width: 33,
        height: 33,
        expected_score: 10.698163986200001,
        expected_stats: DiffmapStats {
            min: 10.697639,
            max: 10.698131,
            mean: 10.697905,
            std: 8.846616e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_5_47x47",
        width: 47,
        height: 47,
        expected_score: 10.698276519800000,
        expected_stats: DiffmapStats {
            min: 10.6976185,
            max: 10.698086,
            mean: 10.697892,
            std: 9.0623915e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_5_48x48",
        width: 48,
        height: 48,
        expected_score: 10.698287010200000,
        expected_stats: DiffmapStats {
            min: 10.6976185,
            max: 10.6980915,
            mean: 10.697899,
            std: 9.339734e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_5_64x64",
        width: 64,
        height: 64,
        expected_score: 10.698381424000001,
        expected_stats: DiffmapStats {
            min: 10.697628,
            max: 10.698195,
            mean: 10.697979,
            std: 0.000113570786,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_5_23x31",
        width: 23,
        height: 31,
        expected_score: 10.698114395099999,
        expected_stats: DiffmapStats {
            min: 10.697603,
            max: 10.698077,
            mean: 10.697871,
            std: 8.879798e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_5_31x23",
        width: 31,
        height: 23,
        expected_score: 10.698139190699999,
        expected_stats: DiffmapStats {
            min: 10.69752,
            max: 10.698078,
            mean: 10.697862,
            std: 7.710727e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_5_47x33",
        width: 47,
        height: 33,
        expected_score: 10.698153495800000,
        expected_stats: DiffmapStats {
            min: 10.697613,
            max: 10.698058,
            mean: 10.697859,
            std: 7.522669e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_5_33x47",
        width: 33,
        height: 47,
        expected_score: 10.698164939900000,
        expected_stats: DiffmapStats {
            min: 10.69763,
            max: 10.698124,
            mean: 10.697904,
            std: 9.086573e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_5_128x96",
        width: 128,
        height: 96,
        expected_score: 10.698477745100000,
        expected_stats: DiffmapStats {
            min: 10.697628,
            max: 10.698238,
            mean: 10.69807,
            std: 0.00013088097,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_5_96x128",
        width: 96,
        height: 128,
        expected_score: 10.698468208300000,
        expected_stats: DiffmapStats {
            min: 10.697628,
            max: 10.698242,
            mean: 10.698077,
            std: 0.00013001225,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_5_128x128",
        width: 128,
        height: 128,
        expected_score: 10.698477745100000,
        expected_stats: DiffmapStats {
            min: 10.697628,
            max: 10.698242,
            mean: 10.698095,
            std: 0.00013121481,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_5_192x192",
        width: 192,
        height: 192,
        expected_score: 10.698477745100000,
        expected_stats: DiffmapStats {
            min: 10.697628,
            max: 10.698242,
            mean: 10.698141,
            std: 0.00012329982,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_5_256x256",
        width: 256,
        height: 256,
        expected_score: 10.698477745100000,
        expected_stats: DiffmapStats {
            min: 10.697628,
            max: 10.698242,
            mean: 10.698165,
            std: 0.00011396045,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_5_384x384",
        width: 384,
        height: 384,
        expected_score: 10.698477745100000,
        expected_stats: DiffmapStats {
            min: 10.697628,
            max: 10.698242,
            mean: 10.69819,
            std: 9.90007e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_5_512x512",
        width: 512,
        height: 512,
        expected_score: 10.698477745100000,
        expected_stats: DiffmapStats {
            min: 10.697628,
            max: 10.698242,
            mean: 10.698203,
            std: 8.8342575e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_10_8x8",
        width: 8,
        height: 8,
        expected_score: 15.767237663300000,
        expected_stats: DiffmapStats {
            min: 15.767197,
            max: 15.767387,
            mean: 15.767278,
            std: 5.0037488e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_10_9x9",
        width: 9,
        height: 9,
        expected_score: 15.767091751100001,
        expected_stats: DiffmapStats {
            min: 15.7670355,
            max: 15.767357,
            mean: 15.767189,
            std: 7.5088465e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_10_15x15",
        width: 15,
        height: 15,
        expected_score: 21.285739898700001,
        expected_stats: DiffmapStats {
            min: 21.285666,
            max: 21.28594,
            mean: 21.28581,
            std: 5.570977e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_10_16x16",
        width: 16,
        height: 16,
        expected_score: 21.285776138300001,
        expected_stats: DiffmapStats {
            min: 21.285698,
            max: 21.285973,
            mean: 21.285835,
            std: 5.6387253e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_10_17x17",
        width: 17,
        height: 17,
        expected_score: 21.285709381099998,
        expected_stats: DiffmapStats {
            min: 21.28537,
            max: 21.285864,
            mean: 21.285652,
            std: 0.00010072515,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_10_23x23",
        width: 23,
        height: 23,
        expected_score: 21.285667419399999,
        expected_stats: DiffmapStats {
            min: 21.285223,
            max: 21.285694,
            mean: 21.285482,
            std: 8.300729e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_10_24x24",
        width: 24,
        height: 24,
        expected_score: 21.285402298000001,
        expected_stats: DiffmapStats {
            min: 21.285187,
            max: 21.285671,
            mean: 21.285398,
            std: 8.462171e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_10_31x31",
        width: 31,
        height: 31,
        expected_score: 21.285627365100002,
        expected_stats: DiffmapStats {
            min: 21.285254,
            max: 21.285875,
            mean: 21.285606,
            std: 9.41199e-5,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_10_32x32",
        width: 32,
        height: 32,
        expected_score: 21.285724639900000,
        expected_stats: DiffmapStats {
            min: 21.285255,
            max: 21.285881,
            mean: 21.285616,
            std: 0.00010174311,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_10_33x33",
        width: 33,
        height: 33,
        expected_score: 21.285743713399999,
        expected_stats: DiffmapStats {
            min: 21.285141,
            max: 21.285866,
            mean: 21.285542,
            std: 0.00013654542,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_10_47x47",
        width: 47,
        height: 47,
        expected_score: 21.285919189500000,
        expected_stats: DiffmapStats {
            min: 21.2851,
            max: 21.28603,
            mean: 21.285564,
            std: 0.00017540752,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_10_48x48",
        width: 48,
        height: 48,
        expected_score: 21.286006927500001,
        expected_stats: DiffmapStats {
            min: 21.2851,
            max: 21.286041,
            mean: 21.285582,
            std: 0.0001813374,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_10_64x64",
        width: 64,
        height: 64,
        expected_score: 21.286220550500001,
        expected_stats: DiffmapStats {
            min: 21.28512,
            max: 21.286156,
            mean: 21.28575,
            std: 0.00022802207,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_10_23x31",
        width: 23,
        height: 31,
        expected_score: 21.285717010500001,
        expected_stats: DiffmapStats {
            min: 21.28516,
            max: 21.285809,
            mean: 21.285517,
            std: 0.00011703172,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_10_31x23",
        width: 31,
        height: 23,
        expected_score: 21.285678863499999,
        expected_stats: DiffmapStats {
            min: 21.285198,
            max: 21.285738,
            mean: 21.285486,
            std: 0.00010095858,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_10_47x33",
        width: 47,
        height: 33,
        expected_score: 21.285814285299999,
        expected_stats: DiffmapStats {
            min: 21.285059,
            max: 21.285748,
            mean: 21.285471,
            std: 0.00011576448,
        },
    },
    ReferenceCase {
        name: "uniform_gray_128_shift_10_33x47",
        width: 33,
        height: 47,
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    ReferenceCase {
        name: "uniform_gray_128_shift_10_128x96",
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        height: 96,
        expected_score: 21.286521911600001,
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    ReferenceCase {
        name: "uniform_gray_128_shift_10_96x128",
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        expected_score: 21.286478042599999,
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    ReferenceCase {
        name: "uniform_gray_128_shift_10_128x128",
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    ReferenceCase {
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    ReferenceCase {
        name: "uniform_gray_128_shift_10_256x256",
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    ReferenceCase {
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        expected_score: 21.286521911600001,
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    ReferenceCase {
        name: "uniform_gray_128_shift_10_512x512",
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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        expected_score: 31.143428802500001,
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    ReferenceCase {
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        expected_score: 31.143268585200001,
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    ReferenceCase {
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        height: 23,
        expected_score: 31.143173217800001,
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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        expected_score: 31.143772125200002,
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
        name: "color_gradient_shift_10_96x128",
        width: 96,
        height: 128,
        expected_score: 18.501914977999999,
        expected_stats: DiffmapStats {
            min: 5.670118,
            max: 18.50191,
            mean: 12.950606,
            std: 3.118384,
        },
    },
    ReferenceCase {
        name: "color_gradient_shift_10_128x128",
        width: 128,
        height: 128,
        expected_score: 20.985244751000000,
        expected_stats: DiffmapStats {
            min: 6.041584,
            max: 20.985277,
            mean: 15.407072,
            std: 3.8230073,
        },
    },
    ReferenceCase {
        name: "color_gradient_shift_10_192x192",
        width: 192,
        height: 192,
        expected_score: 13.242090225200000,
        expected_stats: DiffmapStats {
            min: 5.4062257,
            max: 13.242108,
            mean: 10.878663,
            std: 1.6267664,
        },
    },
    ReferenceCase {
        name: "color_gradient_shift_10_256x256",
        width: 256,
        height: 256,
        expected_score: 21.314025878900001,
        expected_stats: DiffmapStats {
            min: 5.3421226,
            max: 21.31391,
            mean: 16.743847,
            std: 3.5929294,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_1px_8x8",
        width: 8,
        height: 8,
        expected_score: 6.374588966400000,
        expected_stats: DiffmapStats {
            min: 2.8010094,
            max: 6.3745885,
            mean: 4.7386928,
            std: 1.1468766,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_1px_9x9",
        width: 9,
        height: 9,
        expected_score: 7.326679229700000,
        expected_stats: DiffmapStats {
            min: 2.860286,
            max: 7.326679,
            mean: 5.023589,
            std: 1.2354927,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_1px_15x15",
        width: 15,
        height: 15,
        expected_score: 8.630271911600000,
        expected_stats: DiffmapStats {
            min: 3.178978,
            max: 8.630279,
            mean: 6.434243,
            std: 1.3174512,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_1px_16x16",
        width: 16,
        height: 16,
        expected_score: 6.185760498000000,
        expected_stats: DiffmapStats {
            min: 2.3713937,
            max: 6.185851,
            mean: 5.015297,
            std: 1.1258677,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_1px_17x17",
        width: 17,
        height: 17,
        expected_score: 8.586477279700000,
        expected_stats: DiffmapStats {
            min: 2.995931,
            max: 8.586484,
            mean: 6.3736773,
            std: 1.2746532,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_1px_23x23",
        width: 23,
        height: 23,
        expected_score: 8.563911438000000,
        expected_stats: DiffmapStats {
            min: 2.5875292,
            max: 8.563911,
            mean: 6.1833444,
            std: 1.1898687,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_1px_24x24",
        width: 24,
        height: 24,
        expected_score: 6.186249733000000,
        expected_stats: DiffmapStats {
            min: 2.3753724,
            max: 6.1863365,
            mean: 5.3830147,
            std: 1.0384014,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_1px_31x31",
        width: 31,
        height: 31,
        expected_score: 8.565723419199999,
        expected_stats: DiffmapStats {
            min: 2.4214582,
            max: 8.565725,
            mean: 6.0098863,
            std: 1.0594227,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_1px_32x32",
        width: 32,
        height: 32,
        expected_score: 6.186212539700000,
        expected_stats: DiffmapStats {
            min: 2.3753502,
            max: 6.1863,
            mean: 5.574313,
            std: 0.95135397,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_1px_33x33",
        width: 33,
        height: 33,
        expected_score: 8.566614151000000,
        expected_stats: DiffmapStats {
            min: 2.4103608,
            max: 8.566613,
            mean: 5.987725,
            std: 1.028967,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_1px_47x47",
        width: 47,
        height: 47,
        expected_score: 8.570021629299999,
        expected_stats: DiffmapStats {
            min: 2.3961782,
            max: 8.570024,
            mean: 5.9441323,
            std: 0.86544544,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_1px_48x48",
        width: 48,
        height: 48,
        expected_score: 6.186213016500000,
        expected_stats: DiffmapStats {
            min: 2.37535,
            max: 6.1863017,
            mean: 5.7706833,
            std: 0.8195357,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_1px_64x64",
        width: 64,
        height: 64,
        expected_score: 6.186213016500000,
        expected_stats: DiffmapStats {
            min: 2.37535,
            max: 6.186301,
            mean: 5.8707724,
            std: 0.72833407,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_1px_23x31",
        width: 23,
        height: 31,
        expected_score: 8.563352584800000,
        expected_stats: DiffmapStats {
            min: 2.4660542,
            max: 8.563356,
            mean: 6.069002,
            std: 1.1339471,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_1px_31x23",
        width: 31,
        height: 23,
        expected_score: 8.563354492200000,
        expected_stats: DiffmapStats {
            min: 2.4660494,
            max: 8.563354,
            mean: 6.0689964,
            std: 1.133946,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_1px_47x33",
        width: 47,
        height: 33,
        expected_score: 8.568323135400000,
        expected_stats: DiffmapStats {
            min: 2.396706,
            max: 8.568323,
            mean: 5.9442787,
            std: 0.9500337,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_1px_33x47",
        width: 33,
        height: 47,
        expected_score: 8.568322181699999,
        expected_stats: DiffmapStats {
            min: 2.3967078,
            max: 8.568325,
            mean: 5.9442816,
            std: 0.95003426,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_1px_128x96",
        width: 128,
        height: 96,
        expected_score: 6.186213016500000,
        expected_stats: DiffmapStats {
            min: 2.37535,
            max: 6.186301,
            mean: 5.9976273,
            std: 0.5740145,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_1px_96x128",
        width: 96,
        height: 128,
        expected_score: 6.186213016500000,
        expected_stats: DiffmapStats {
            min: 2.37535,
            max: 6.186301,
            mean: 5.9976273,
            std: 0.5740145,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_1px_128x128",
        width: 128,
        height: 128,
        expected_score: 6.186213016500000,
        expected_stats: DiffmapStats {
            min: 2.37535,
            max: 6.186301,
            mean: 6.0232835,
            std: 0.5348067,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_1px_192x192",
        width: 192,
        height: 192,
        expected_score: 6.186213016500000,
        expected_stats: DiffmapStats {
            min: 2.37535,
            max: 6.186301,
            mean: 6.074755,
            std: 0.442072,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_1px_256x256",
        width: 256,
        height: 256,
        expected_score: 6.186213016500000,
        expected_stats: DiffmapStats {
            min: 2.37535,
            max: 6.186301,
            mean: 6.10061,
            std: 0.38518828,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_2px_8x8",
        width: 8,
        height: 8,
        expected_score: 10.110673904400000,
        expected_stats: DiffmapStats {
            min: 4.4928417,
            max: 10.110674,
            mean: 5.62309,
            std: 1.2949373,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_2px_9x9",
        width: 9,
        height: 9,
        expected_score: 10.123462676999999,
        expected_stats: DiffmapStats {
            min: 3.1861856,
            max: 10.123462,
            mean: 4.9693074,
            std: 0.9845033,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_2px_15x15",
        width: 15,
        height: 15,
        expected_score: 9.907729148900000,
        expected_stats: DiffmapStats {
            min: 4.0896916,
            max: 9.907729,
            mean: 6.844333,
            std: 1.1271107,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_2px_16x16",
        width: 16,
        height: 16,
        expected_score: 9.899393081700000,
        expected_stats: DiffmapStats {
            min: 5.038176,
            max: 9.899395,
            mean: 7.020025,
            std: 1.0522407,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_2px_17x17",
        width: 17,
        height: 17,
        expected_score: 9.921269416800000,
        expected_stats: DiffmapStats {
            min: 4.106716,
            max: 9.921272,
            mean: 7.0256076,
            std: 1.1527373,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_2px_23x23",
        width: 23,
        height: 23,
        expected_score: 9.884333610500001,
        expected_stats: DiffmapStats {
            min: 4.083216,
            max: 9.884336,
            mean: 7.361697,
            std: 1.1450782,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_2px_24x24",
        width: 24,
        height: 24,
        expected_score: 9.883007049600000,
        expected_stats: DiffmapStats {
            min: 5.0601053,
            max: 9.883009,
            mean: 7.4332056,
            std: 1.069182,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_2px_31x31",
        width: 31,
        height: 31,
        expected_score: 9.881884574900001,
        expected_stats: DiffmapStats {
            min: 4.0830774,
            max: 9.881887,
            mean: 7.6406507,
            std: 1.0925049,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_2px_32x32",
        width: 32,
        height: 32,
        expected_score: 9.881885528600000,
        expected_stats: DiffmapStats {
            min: 5.060613,
            max: 9.881889,
            mean: 7.672844,
            std: 1.0343992,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_2px_33x33",
        width: 33,
        height: 33,
        expected_score: 9.882221221900000,
        expected_stats: DiffmapStats {
            min: 4.0834126,
            max: 9.882223,
            mean: 7.6918893,
            std: 1.0786179,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_2px_47x47",
        width: 47,
        height: 47,
        expected_score: 9.884153366100000,
        expected_stats: DiffmapStats {
            min: 4.0853453,
            max: 9.884158,
            mean: 7.9323535,
            std: 0.9747263,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_2px_48x48",
        width: 48,
        height: 48,
        expected_score: 9.884153366100000,
        expected_stats: DiffmapStats {
            min: 5.0629535,
            max: 9.884158,
            mean: 7.9386473,
            std: 0.9397484,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_2px_64x64",
        width: 64,
        height: 64,
        expected_score: 9.884140014600000,
        expected_stats: DiffmapStats {
            min: 5.0629416,
            max: 9.884145,
            mean: 8.081334,
            std: 0.8571095,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_2px_23x31",
        width: 23,
        height: 31,
        expected_score: 9.883065223699999,
        expected_stats: DiffmapStats {
            min: 4.0831103,
            max: 9.883068,
            mean: 7.4964023,
            std: 1.1232864,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_2px_31x23",
        width: 31,
        height: 23,
        expected_score: 9.883065223699999,
        expected_stats: DiffmapStats {
            min: 4.0831103,
            max: 9.88307,
            mean: 7.4964023,
            std: 1.1232864,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_2px_47x33",
        width: 47,
        height: 33,
        expected_score: 9.883119583099999,
        expected_stats: DiffmapStats {
            min: 4.072048,
            max: 9.883125,
            mean: 7.808588,
            std: 1.0326849,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_2px_33x47",
        width: 33,
        height: 47,
        expected_score: 9.883120536800000,
        expected_stats: DiffmapStats {
            min: 4.072048,
            max: 9.883123,
            mean: 7.808588,
            std: 1.0326849,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_2px_128x96",
        width: 128,
        height: 96,
        expected_score: 9.884140014600000,
        expected_stats: DiffmapStats {
            min: 5.0629416,
            max: 9.884145,
            mean: 8.268747,
            std: 0.6973397,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_2px_96x128",
        width: 96,
        height: 128,
        expected_score: 9.884140014600000,
        expected_stats: DiffmapStats {
            min: 5.0629416,
            max: 9.884145,
            mean: 8.268747,
            std: 0.6973397,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_2px_128x128",
        width: 128,
        height: 128,
        expected_score: 9.884140014600000,
        expected_stats: DiffmapStats {
            min: 5.0629416,
            max: 9.884145,
            mean: 8.307712,
            std: 0.6535738,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_2px_192x192",
        width: 192,
        height: 192,
        expected_score: 9.884140014600000,
        expected_stats: DiffmapStats {
            min: 5.0629416,
            max: 9.884145,
            mean: 8.386466,
            std: 0.5469026,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_2px_256x256",
        width: 256,
        height: 256,
        expected_score: 9.884140014600000,
        expected_stats: DiffmapStats {
            min: 5.0629416,
            max: 9.884145,
            mean: 8.42646,
            std: 0.47942585,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_4px_8x8",
        width: 8,
        height: 8,
        expected_score: 45.750053405800003,
        expected_stats: DiffmapStats {
            min: 11.460325,
            max: 45.750046,
            mean: 26.922443,
            std: 8.027378,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_4px_9x9",
        width: 9,
        height: 9,
        expected_score: 43.635276794399999,
        expected_stats: DiffmapStats {
            min: 10.35193,
            max: 43.635273,
            mean: 21.587915,
            std: 6.9360447,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_4px_15x15",
        width: 15,
        height: 15,
        expected_score: 39.415958404500003,
        expected_stats: DiffmapStats {
            min: 10.769959,
            max: 39.415955,
            mean: 21.38256,
            std: 5.7725005,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_4px_16x16",
        width: 16,
        height: 16,
        expected_score: 39.732707977300002,
        expected_stats: DiffmapStats {
            min: 10.73521,
            max: 39.732708,
            mean: 23.029366,
            std: 6.3972154,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_4px_17x17",
        width: 17,
        height: 17,
        expected_score: 39.403228759800001,
        expected_stats: DiffmapStats {
            min: 10.50468,
            max: 39.40323,
            mean: 20.256657,
            std: 5.7332454,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_4px_23x23",
        width: 23,
        height: 23,
        expected_score: 39.416950225800001,
        expected_stats: DiffmapStats {
            min: 10.711986,
            max: 39.41695,
            mean: 20.659382,
            std: 5.479945,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_4px_24x24",
        width: 24,
        height: 24,
        expected_score: 39.770187377900001,
        expected_stats: DiffmapStats {
            min: 10.681148,
            max: 39.770184,
            mean: 21.800423,
            std: 6.017312,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_4px_31x31",
        width: 31,
        height: 31,
        expected_score: 39.411560058600003,
        expected_stats: DiffmapStats {
            min: 10.708126,
            max: 39.41156,
            mean: 20.297192,
            std: 5.323599,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_4px_32x32",
        width: 32,
        height: 32,
        expected_score: 39.762924194299998,
        expected_stats: DiffmapStats {
            min: 10.677374,
            max: 39.762924,
            mean: 21.163147,
            std: 5.7815557,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_4px_33x33",
        width: 33,
        height: 33,
        expected_score: 39.413608551000003,
        expected_stats: DiffmapStats {
            min: 10.452396,
            max: 39.4136,
            mean: 19.815441,
            std: 5.316575,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_4px_47x47",
        width: 47,
        height: 47,
        expected_score: 39.433830261200001,
        expected_stats: DiffmapStats {
            min: 10.724319,
            max: 39.433823,
            mean: 19.956753,
            std: 5.1544733,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_4px_48x48",
        width: 48,
        height: 48,
        expected_score: 39.785358428999999,
        expected_stats: DiffmapStats {
            min: 10.693579,
            max: 39.78536,
            mean: 20.540016,
            std: 5.500326,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_4px_64x64",
        width: 64,
        height: 64,
        expected_score: 39.785194396999998,
        expected_stats: DiffmapStats {
            min: 10.693863,
            max: 39.78519,
            mean: 20.231977,
            std: 5.341102,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_4px_23x31",
        width: 23,
        height: 31,
        expected_score: 39.412548065199999,
        expected_stats: DiffmapStats {
            min: 10.701025,
            max: 39.412544,
            mean: 20.47441,
            std: 5.402598,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_4px_31x23",
        width: 31,
        height: 23,
        expected_score: 39.412548065199999,
        expected_stats: DiffmapStats {
            min: 10.701024,
            max: 39.412544,
            mean: 20.47441,
            std: 5.402598,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_4px_47x33",
        width: 47,
        height: 33,
        expected_score: 39.422584533699997,
        expected_stats: DiffmapStats {
            min: 10.237829,
            max: 39.42258,
            mean: 19.890413,
            std: 5.2417326,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_4px_33x47",
        width: 33,
        height: 47,
        expected_score: 39.422584533699997,
        expected_stats: DiffmapStats {
            min: 10.237826,
            max: 39.422585,
            mean: 19.890413,
            std: 5.2417326,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_4px_128x96",
        width: 128,
        height: 96,
        expected_score: 39.785194396999998,
        expected_stats: DiffmapStats {
            min: 10.693863,
            max: 39.78519,
            mean: 19.852304,
            std: 5.1237683,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_4px_96x128",
        width: 96,
        height: 128,
        expected_score: 39.785194396999998,
        expected_stats: DiffmapStats {
            min: 10.693863,
            max: 39.78519,
            mean: 19.852303,
            std: 5.1237683,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_4px_128x128",
        width: 128,
        height: 128,
        expected_score: 39.785194396999998,
        expected_stats: DiffmapStats {
            min: 10.693863,
            max: 39.78519,
            mean: 19.777294,
            std: 5.0782204,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_4px_192x192",
        width: 192,
        height: 192,
        expected_score: 39.785194396999998,
        expected_stats: DiffmapStats {
            min: 10.693863,
            max: 39.78519,
            mean: 19.627789,
            std: 4.983887,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_4px_256x256",
        width: 256,
        height: 256,
        expected_score: 39.785194396999998,
        expected_stats: DiffmapStats {
            min: 10.693863,
            max: 39.78519,
            mean: 19.553421,
            std: 4.93541,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_8px_16x16",
        width: 16,
        height: 16,
        expected_score: 75.866897582999997,
        expected_stats: DiffmapStats {
            min: 22.227573,
            max: 75.866905,
            mean: 51.719864,
            std: 13.0107765,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_8px_17x17",
        width: 17,
        height: 17,
        expected_score: 74.297744750999996,
        expected_stats: DiffmapStats {
            min: 19.726328,
            max: 74.29775,
            mean: 43.487762,
            std: 11.640539,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_8px_23x23",
        width: 23,
        height: 23,
        expected_score: 73.304985046400006,
        expected_stats: DiffmapStats {
            min: 21.440302,
            max: 73.30498,
            mean: 47.243755,
            std: 11.619121,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_8px_24x24",
        width: 24,
        height: 24,
        expected_score: 73.289634704600005,
        expected_stats: DiffmapStats {
            min: 21.486576,
            max: 73.28963,
            mean: 48.585133,
            std: 12.343776,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_8px_31x31",
        width: 31,
        height: 31,
        expected_score: 72.986526489300005,
        expected_stats: DiffmapStats {
            min: 20.696981,
            max: 72.98653,
            mean: 45.915596,
            std: 11.836228,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_8px_32x32",
        width: 32,
        height: 32,
        expected_score: 74.798164367699997,
        expected_stats: DiffmapStats {
            min: 20.702341,
            max: 74.79817,
            mean: 46.837906,
            std: 12.438377,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_8px_33x33",
        width: 33,
        height: 33,
        expected_score: 72.988494872999993,
        expected_stats: DiffmapStats {
            min: 19.042099,
            max: 72.98848,
            mean: 43.026608,
            std: 11.799508,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_8px_47x47",
        width: 47,
        height: 47,
        expected_score: 72.997375488299994,
        expected_stats: DiffmapStats {
            min: 20.722563,
            max: 72.99737,
            mean: 44.75901,
            std: 11.85469,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_8px_48x48",
        width: 48,
        height: 48,
        expected_score: 74.818130493200002,
        expected_stats: DiffmapStats {
            min: 20.727898,
            max: 74.81814,
            mean: 45.316097,
            std: 12.266617,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_8px_64x64",
        width: 64,
        height: 64,
        expected_score: 74.818046569800003,
        expected_stats: DiffmapStats {
            min: 20.729933,
            max: 74.818054,
            mean: 44.595474,
            std: 12.143904,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_8px_23x31",
        width: 23,
        height: 31,
        expected_score: 73.051345825200002,
        expected_stats: DiffmapStats {
            min: 20.789532,
            max: 73.05134,
            mean: 46.5314,
            std: 11.7792845,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_8px_31x23",
        width: 31,
        height: 23,
        expected_score: 73.051345825200002,
        expected_stats: DiffmapStats {
            min: 20.789537,
            max: 73.05134,
            mean: 46.531403,
            std: 11.7792845,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_8px_47x33",
        width: 47,
        height: 33,
        expected_score: 72.992752075200002,
        expected_stats: DiffmapStats {
            min: 19.039734,
            max: 72.99274,
            mean: 43.88138,
            std: 11.875287,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_8px_33x47",
        width: 33,
        height: 47,
        expected_score: 72.992744445800000,
        expected_stats: DiffmapStats {
            min: 19.039736,
            max: 72.99274,
            mean: 43.88138,
            std: 11.875287,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_8px_128x96",
        width: 128,
        height: 96,
        expected_score: 74.818046569800003,
        expected_stats: DiffmapStats {
            min: 20.729925,
            max: 74.818054,
            mean: 43.740303,
            std: 11.964441,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_8px_96x128",
        width: 96,
        height: 128,
        expected_score: 74.818046569800003,
        expected_stats: DiffmapStats {
            min: 20.729925,
            max: 74.818054,
            mean: 43.740303,
            std: 11.964441,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_8px_128x128",
        width: 128,
        height: 128,
        expected_score: 74.818046569800003,
        expected_stats: DiffmapStats {
            min: 20.729925,
            max: 74.818054,
            mean: 43.57688,
            std: 11.926947,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_8px_192x192",
        width: 192,
        height: 192,
        expected_score: 74.818046569800003,
        expected_stats: DiffmapStats {
            min: 20.729925,
            max: 74.818054,
            mean: 43.254265,
            std: 11.848352,
        },
    },
    ReferenceCase {
        name: "checkerboard_vs_inverse_8px_256x256",
        width: 256,
        height: 256,
        expected_score: 74.818046569800003,
        expected_stats: DiffmapStats {
            min: 20.729925,
            max: 74.818054,
            mean: 43.096134,
            std: 11.808241,
        },
    },
    ReferenceCase {
        name: "checkerboard_shift_10_8x8",
        width: 8,
        height: 8,
        expected_score: 3.824566364300000,
        expected_stats: DiffmapStats {
            min: 3.8204322,
            max: 3.8245604,
            mean: 3.8216324,
            std: 0.0009965108,
        },
    },
    ReferenceCase {
        name: "checkerboard_shift_10_9x9",
        width: 9,
        height: 9,
        expected_score: 3.763588905300000,
        expected_stats: DiffmapStats {
            min: 3.7510645,
            max: 3.7635586,
            mean: 3.7571115,
            std: 0.0028015485,
        },
    },
    ReferenceCase {
        name: "checkerboard_shift_10_15x15",
        width: 15,
        height: 15,
        expected_score: 5.050688266800000,
        expected_stats: DiffmapStats {
            min: 5.0333223,
            max: 5.0506825,
            mean: 5.04068,
            std: 0.0038602375,
        },
    },
    ReferenceCase {
        name: "checkerboard_shift_10_16x16",
        width: 16,
        height: 16,
        expected_score: 5.067732811000000,
        expected_stats: DiffmapStats {
            min: 5.0516925,
            max: 5.0677032,
            mean: 5.0555687,
            std: 0.00322376,
        },
    },
    ReferenceCase {
        name: "checkerboard_shift_10_17x17",
        width: 17,
        height: 17,
        expected_score: 5.049237728100000,
        expected_stats: DiffmapStats {
            min: 5.0307508,
            max: 5.0492153,
            mean: 5.0380845,
            std: 0.0041225255,
        },
    },
    ReferenceCase {
        name: "checkerboard_shift_10_23x23",
        width: 23,
        height: 23,
        expected_score: 5.049989223500000,
        expected_stats: DiffmapStats {
            min: 5.029606,
            max: 5.049957,
            mean: 5.0361223,
            std: 0.0046009035,
        },
    },
    ReferenceCase {
        name: "checkerboard_shift_10_24x24",
        width: 24,
        height: 24,
        expected_score: 5.064975738500000,
        expected_stats: DiffmapStats {
            min: 5.037249,
            max: 5.064937,
            mean: 5.044143,
            std: 0.0051657953,
        },
    },
    ReferenceCase {
        name: "checkerboard_shift_10_31x31",
        width: 31,
        height: 31,
        expected_score: 5.049813747400000,
        expected_stats: DiffmapStats {
            min: 5.0294313,
            max: 5.0497746,
            mean: 5.034294,
            std: 0.004511098,
        },
    },
    ReferenceCase {
        name: "checkerboard_shift_10_32x32",
        width: 32,
        height: 32,
        expected_score: 5.064963817600000,
        expected_stats: DiffmapStats {
            min: 5.031442,
            max: 5.0649505,
            mean: 5.0399623,
            std: 0.0059788125,
        },
    },
    ReferenceCase {
        name: "checkerboard_shift_10_33x33",
        width: 33,
        height: 33,
        expected_score: 5.049683094000000,
        expected_stats: DiffmapStats {
            min: 5.029221,
            max: 5.0496616,
            mean: 5.033783,
            std: 0.004447747,
        },
    },
    ReferenceCase {
        name: "checkerboard_shift_10_47x47",
        width: 47,
        height: 47,
        expected_score: 5.049760818500000,
        expected_stats: DiffmapStats {
            min: 5.029239,
            max: 5.049714,
            mean: 5.0325713,
            std: 0.0040786276,
        },
    },
    ReferenceCase {
        name: "checkerboard_shift_10_48x48",
        width: 48,
        height: 48,
        expected_score: 5.064980506900000,
        expected_stats: DiffmapStats {
            min: 5.029269,
            max: 5.0649767,
            mean: 5.0361476,
            std: 0.005842669,
        },
    },
    ReferenceCase {
        name: "checkerboard_shift_10_64x64",
        width: 64,
        height: 64,
        expected_score: 5.064980506900000,
        expected_stats: DiffmapStats {
            min: 5.0291753,
            max: 5.0649743,
            mean: 5.0343323,
            std: 0.0053542745,
        },
    },
    ReferenceCase {
        name: "checkerboard_shift_10_23x31",
        width: 23,
        height: 31,
        expected_score: 5.049923420000000,
        expected_stats: DiffmapStats {
            min: 5.029513,
            max: 5.0498877,
            mean: 5.035216,
            std: 0.004558974,
        },
    },
    ReferenceCase {
        name: "checkerboard_shift_10_31x23",
        width: 31,
        height: 23,
        expected_score: 5.049902916000000,
        expected_stats: DiffmapStats {
            min: 5.029519,
            max: 5.049873,
            mean: 5.035216,
            std: 0.004559569,
        },
    },
    ReferenceCase {
        name: "checkerboard_shift_10_47x33",
        width: 47,
        height: 33,
        expected_score: 5.049721241000000,
        expected_stats: DiffmapStats {
            min: 5.029313,
            max: 5.0496883,
            mean: 5.033281,
            std: 0.0042208354,
        },
    },
    ReferenceCase {
        name: "checkerboard_shift_10_33x47",
        width: 33,
        height: 47,
        expected_score: 5.049715519000000,
        expected_stats: DiffmapStats {
            min: 5.0292883,
            max: 5.049694,
            mean: 5.033276,
            std: 0.0042216615,
        },
    },
    ReferenceCase {
        name: "checkerboard_shift_10_128x96",
        width: 128,
        height: 96,
        expected_score: 5.064980506900000,
        expected_stats: DiffmapStats {
            min: 5.029168,
            max: 5.0649743,
            mean: 5.0321383,
            std: 0.0042841104,
        },
    },
    ReferenceCase {
        name: "checkerboard_shift_10_96x128",
        width: 96,
        height: 128,
        expected_score: 5.064980506900000,
        expected_stats: DiffmapStats {
            min: 5.029168,
            max: 5.0649743,
            mean: 5.0321374,
            std: 0.0042837583,
        },
    },
    ReferenceCase {
        name: "checkerboard_shift_10_128x128",
        width: 128,
        height: 128,
        expected_score: 5.064980506900000,
        expected_stats: DiffmapStats {
            min: 5.029168,
            max: 5.0649743,
            mean: 5.0317116,
            std: 0.004011319,
        },
    },
    ReferenceCase {
        name: "checkerboard_shift_10_192x192",
        width: 192,
        height: 192,
        expected_score: 5.064980506900000,
        expected_stats: DiffmapStats {
            min: 5.029168,
            max: 5.0649743,
            mean: 5.030866,
            std: 0.003319917,
        },
    },
    ReferenceCase {
        name: "checkerboard_shift_10_256x256",
        width: 256,
        height: 256,
        expected_score: 5.064980506900000,
        expected_stats: DiffmapStats {
            min: 5.029168,
            max: 5.0649743,
            mean: 5.030449,
            std: 0.0028920155,
        },
    },
    ReferenceCase {
        name: "stripes_h_2px_shift_15_8x8",
        width: 8,
        height: 8,
        expected_score: 6.097488880200000,
        expected_stats: DiffmapStats {
            min: 5.945015,
            max: 6.0974803,
            mean: 6.018619,
            std: 0.049715508,
        },
    },
    ReferenceCase {
        name: "stripes_h_2px_shift_15_9x9",
        width: 9,
        height: 9,
        expected_score: 5.746656894700000,
        expected_stats: DiffmapStats {
            min: 5.728858,
            max: 5.746641,
            mean: 5.738944,
            std: 0.0061419825,
        },
    },
    ReferenceCase {
        name: "stripes_h_2px_shift_15_15x15",
        width: 15,
        height: 15,
        expected_score: 7.712850093800000,
        expected_stats: DiffmapStats {
            min: 7.672266,
            max: 7.7128344,
            mean: 7.6937776,
            std: 0.012100824,
        },
    },
    ReferenceCase {
        name: "stripes_h_2px_shift_15_16x16",
        width: 16,
        height: 16,
        expected_score: 7.943035602600000,
        expected_stats: DiffmapStats {
            min: 7.698547,
            max: 7.9430423,
            mean: 7.8011365,
            std: 0.075483136,
        },
    },
    ReferenceCase {
        name: "stripes_h_2px_shift_15_17x17",
        width: 17,
        height: 17,
        expected_score: 7.677131652800000,
        expected_stats: DiffmapStats {
            min: 7.649826,
            max: 7.677134,
            mean: 7.6662955,
            std: 0.007984274,
        },
    },
    ReferenceCase {
        name: "stripes_h_2px_shift_15_23x23",
        width: 23,
        height: 23,
        expected_score: 7.720035553000000,
        expected_stats: DiffmapStats {
            min: 7.6667624,
            max: 7.7200174,
            mean: 7.697062,
            std: 0.015277051,
        },
    },
    ReferenceCase {
        name: "stripes_h_2px_shift_15_24x24",
        width: 24,
        height: 24,
        expected_score: 7.945774078400000,
        expected_stats: DiffmapStats {
            min: 7.6667666,
            max: 7.945747,
            mean: 7.762384,
            std: 0.08401295,
        },
    },
    ReferenceCase {
        name: "stripes_h_2px_shift_15_31x31",
        width: 31,
        height: 31,
        expected_score: 7.721548080400000,
        expected_stats: DiffmapStats {
            min: 7.6637707,
            max: 7.7215257,
            mean: 7.6979365,
            std: 0.01571834,
        },
    },
    ReferenceCase {
        name: "stripes_h_2px_shift_15_32x32",
        width: 32,
        height: 32,
        expected_score: 7.947263717700000,
        expected_stats: DiffmapStats {
            min: 7.6637707,
            max: 7.94725,
            mean: 7.746565,
            std: 0.07976668,
        },
    },
    ReferenceCase {
        name: "stripes_h_2px_shift_15_33x33",
        width: 33,
        height: 33,
        expected_score: 7.693395614600000,
        expected_stats: DiffmapStats {
            min: 7.6607475,
            max: 7.693374,
            mean: 7.685548,
            std: 0.008864868,
        },
    },
    ReferenceCase {
        name: "stripes_h_2px_shift_15_47x47",
        width: 47,
        height: 47,
        expected_score: 7.723290443400000,
        expected_stats: DiffmapStats {
            min: 7.6623263,
            max: 7.7232904,
            mean: 7.699094,
            std: 0.01468319,
        },
    },
    ReferenceCase {
        name: "stripes_h_2px_shift_15_48x48",
        width: 48,
        height: 48,
        expected_score: 7.949034690900000,
        expected_stats: DiffmapStats {
            min: 7.662314,
            max: 7.949011,
            mean: 7.731532,
            std: 0.06994263,
        },
    },
    ReferenceCase {
        name: "stripes_h_2px_shift_15_64x64",
        width: 64,
        height: 64,
        expected_score: 7.949038505600000,
        expected_stats: DiffmapStats {
            min: 7.662329,
            max: 7.9490166,
            mean: 7.7241235,
            std: 0.06197914,
        },
    },
    ReferenceCase {
        name: "stripes_h_2px_shift_15_23x31",
        width: 23,
        height: 31,
        expected_score: 7.721548080400000,
        expected_stats: DiffmapStats {
            min: 7.663769,
            max: 7.721529,
            mean: 7.69789,
            std: 0.015764203,
        },
    },
    ReferenceCase {
        name: "stripes_h_2px_shift_15_31x23",
        width: 31,
        height: 23,
        expected_score: 7.720027446700000,
        expected_stats: DiffmapStats {
            min: 7.6667614,
            max: 7.720022,
            mean: 7.6971226,
            std: 0.01522865,
        },
    },
    ReferenceCase {
        name: "stripes_h_2px_shift_15_47x33",
        width: 47,
        height: 33,
        expected_score: 7.693387985200000,
        expected_stats: DiffmapStats {
            min: 7.6607475,
            max: 7.693372,
            mean: 7.6855903,
            std: 0.008832055,
        },
    },
    ReferenceCase {
        name: "stripes_h_2px_shift_15_33x47",
        width: 33,
        height: 47,
        expected_score: 7.723305225400000,
        expected_stats: DiffmapStats {
            min: 7.6623263,
            max: 7.7232966,
            mean: 7.699066,
            std: 0.014714144,
        },
    },
    ReferenceCase {
        name: "stripes_h_2px_shift_15_128x96",
        width: 128,
        height: 96,
        expected_score: 7.949038505600000,
        expected_stats: DiffmapStats {
            min: 7.662329,
            max: 7.9490166,
            mean: 7.716695,
            std: 0.05169549,
        },
    },
    ReferenceCase {
        name: "stripes_h_2px_shift_15_96x128",
        width: 96,
        height: 128,
        expected_score: 7.949038505600000,
        expected_stats: DiffmapStats {
            min: 7.662329,
            max: 7.9490166,
            mean: 7.712965,
            std: 0.04523078,
        },
    },
    ReferenceCase {
        name: "stripes_h_2px_shift_15_128x128",
        width: 128,
        height: 128,
        expected_score: 7.949038505600000,
        expected_stats: DiffmapStats {
            min: 7.662329,
            max: 7.9490166,
            mean: 7.712968,
            std: 0.045232926,
        },
    },
    ReferenceCase {
        name: "stripes_h_2px_shift_15_192x192",
        width: 192,
        height: 192,
        expected_score: 7.949038505600000,
        expected_stats: DiffmapStats {
            min: 7.662329,
            max: 7.9490166,
            mean: 7.7092423,
            std: 0.037309315,
        },
    },
    ReferenceCase {
        name: "stripes_h_2px_shift_15_256x256",
        width: 256,
        height: 256,
        expected_score: 7.949038505600000,
        expected_stats: DiffmapStats {
            min: 7.662329,
            max: 7.9490166,
            mean: 7.7073784,
            std: 0.032473173,
        },
    },
    ReferenceCase {
        name: "stripes_v_2px_shift_15_8x8",
        width: 8,
        height: 8,
        expected_score: 6.097495555900000,
        expected_stats: DiffmapStats {
            min: 5.945015,
            max: 6.097495,
            mean: 6.0186234,
            std: 0.0497182,
        },
    },
    ReferenceCase {
        name: "stripes_v_2px_shift_15_9x9",
        width: 9,
        height: 9,
        expected_score: 5.746609687800000,
        expected_stats: DiffmapStats {
            min: 5.7288594,
            max: 5.746629,
            mean: 5.738948,
            std: 0.006147033,
        },
    },
    ReferenceCase {
        name: "stripes_v_2px_shift_15_15x15",
        width: 15,
        height: 15,
        expected_score: 7.712853431700000,
        expected_stats: DiffmapStats {
            min: 7.672244,
            max: 7.71283,
            mean: 7.693777,
            std: 0.012099371,
        },
    },
    ReferenceCase {
        name: "stripes_v_2px_shift_15_16x16",
        width: 16,
        height: 16,
        expected_score: 7.943040847800000,
        expected_stats: DiffmapStats {
            min: 7.6985273,
            max: 7.9430428,
            mean: 7.8011327,
            std: 0.07547933,
        },
    },
    ReferenceCase {
        name: "stripes_v_2px_shift_15_17x17",
        width: 17,
        height: 17,
        expected_score: 7.677142143200000,
        expected_stats: DiffmapStats {
            min: 7.6497965,
            max: 7.6771307,
            mean: 7.6662917,
            std: 0.007985738,
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    },
    ReferenceCase {
        name: "stripes_v_2px_shift_15_23x23",
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        height: 23,
        expected_score: 7.720019340500000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        expected_score: 7.945760726900000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        expected_score: 7.721529483800000,
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    ReferenceCase {
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        width: 32,
        height: 32,
        expected_score: 7.947296142600000,
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    ReferenceCase {
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        height: 33,
        expected_score: 7.693390846300000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        height: 47,
        expected_score: 7.723320484200000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        height: 48,
        expected_score: 7.949076175700000,
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    ReferenceCase {
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        height: 64,
        expected_score: 7.949080467200000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        expected_score: 7.720028400400000,
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    ReferenceCase {
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        expected_score: 7.721518993400000,
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    ReferenceCase {
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        expected_score: 7.723320961000000,
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    ReferenceCase {
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        expected_score: 7.693393707300000,
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    ReferenceCase {
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        expected_score: 7.949080467200000,
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    ReferenceCase {
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        expected_score: 7.949080467200000,
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    ReferenceCase {
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        expected_score: 7.949080467200000,
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    ReferenceCase {
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        expected_score: 7.949080467200000,
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    ReferenceCase {
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        expected_score: 7.949080467200000,
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    ReferenceCase {
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        expected_score: 5.760701179500000,
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    ReferenceCase {
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    ReferenceCase {
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        expected_score: 6.101915359500000,
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    ReferenceCase {
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        expected_score: 6.132435798600000,
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    ReferenceCase {
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        expected_score: 6.715072155000000,
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    ReferenceCase {
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        expected_score: 6.789480209400000,
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    ReferenceCase {
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        expected_score: 6.993156433100000,
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    ReferenceCase {
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        expected_score: 8.934951782200001,
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    ReferenceCase {
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        expected_score: 8.690544128399999,
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    ReferenceCase {
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        expected_score: 9.582489013700000,
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    ReferenceCase {
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    ReferenceCase {
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        expected_score: 6.300240993500000,
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    ReferenceCase {
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        expected_score: 6.963500022900000,
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    ReferenceCase {
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        expected_score: 6.963472366300000,
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    ReferenceCase {
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    ReferenceCase {
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        expected_score: 11.250544548000001,
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    ReferenceCase {
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        expected_score: 12.467748642000000,
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    ReferenceCase {
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    ReferenceCase {
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        expected_score: 14.232904434200000,
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    ReferenceCase {
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        expected_score: 5.774859905200000,
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    ReferenceCase {
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    ReferenceCase {
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        expected_score: 5.837820053100000,
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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        expected_score: 6.059959411600000,
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    ReferenceCase {
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        expected_score: 6.092983245800000,
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    ReferenceCase {
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        expected_score: 6.558267593400000,
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    ReferenceCase {
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        expected_score: 6.627474784900000,
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    ReferenceCase {
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        expected_score: 7.267983436600000,
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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        expected_score: 6.267898559600000,
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    ReferenceCase {
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    ReferenceCase {
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        expected_score: 8.952445983900001,
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    ReferenceCase {
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        expected_score: 9.821929931600000,
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    ReferenceCase {
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        expected_score: 11.695112228399999,
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    ReferenceCase {
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        expected_score: 12.511503219600000,
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    ReferenceCase {
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        expected_score: 5.291600227400000,
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    ReferenceCase {
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        expected_score: 5.571323394800000,
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    ReferenceCase {
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    ReferenceCase {
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        expected_score: 5.703687191000000,
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    ReferenceCase {
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    ReferenceCase {
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        height: 32,
        expected_score: 5.808218479200000,
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    ReferenceCase {
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        expected_score: 5.808946609500000,
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    ReferenceCase {
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        expected_score: 5.885920524600000,
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    ReferenceCase {
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        expected_score: 5.884971618700000,
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    ReferenceCase {
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        expected_score: 6.080991745000000,
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    ReferenceCase {
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        expected_score: 5.749254226700000,
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    ReferenceCase {
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        expected_score: 5.749214649200000,
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    ReferenceCase {
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        height: 33,
        expected_score: 5.834288597100000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "sine_4x4_shift_10_33x47",
        width: 33,
        height: 47,
        expected_score: 5.834280014000000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "sine_4x4_shift_10_128x96",
        width: 128,
        height: 96,
        expected_score: 6.988150596600000,
        expected_stats: DiffmapStats {
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    },
    ReferenceCase {
        name: "sine_4x4_shift_10_96x128",
        width: 96,
        height: 128,
        expected_score: 6.988171577500000,
        expected_stats: DiffmapStats {
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    },
    ReferenceCase {
        name: "sine_4x4_shift_10_128x128",
        width: 128,
        height: 128,
        expected_score: 7.266754150400000,
        expected_stats: DiffmapStats {
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    },
    ReferenceCase {
        name: "sine_4x4_shift_10_192x192",
        width: 192,
        height: 192,
        expected_score: 8.776108741800000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "sine_4x4_shift_10_256x256",
        width: 256,
        height: 256,
        expected_score: 9.823681831400000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "radial_shift_15_8x8",
        width: 8,
        height: 8,
        expected_score: 6.999925613400000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "radial_shift_15_9x9",
        width: 9,
        height: 9,
        expected_score: 6.942294120800000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 15,
        height: 15,
        expected_score: 9.392233848600000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        height: 16,
        expected_score: 9.392369270300000,
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    ReferenceCase {
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        height: 17,
        expected_score: 9.420095443699999,
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    ReferenceCase {
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        width: 23,
        height: 23,
        expected_score: 9.536748886100000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        height: 24,
        expected_score: 9.574653625500000,
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    ReferenceCase {
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        expected_score: 10.402211189300001,
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    ReferenceCase {
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        height: 32,
        expected_score: 10.539431572000000,
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    ReferenceCase {
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        expected_score: 10.677964210500001,
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    ReferenceCase {
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        expected_score: 12.432052612300000,
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    ReferenceCase {
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        expected_score: 12.565483093299999,
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    ReferenceCase {
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        expected_score: 14.018810272200000,
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    ReferenceCase {
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    ReferenceCase {
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        expected_score: 9.861907005300001,
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    ReferenceCase {
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    ReferenceCase {
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        expected_score: 11.541353225700000,
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    ReferenceCase {
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    ReferenceCase {
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        expected_score: 18.599956512500000,
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    ReferenceCase {
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        height: 128,
        expected_score: 19.851713180499999,
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    ReferenceCase {
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        expected_score: 18.616533279399999,
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    ReferenceCase {
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        expected_score: 26.137031555200000,
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    ReferenceCase {
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    ReferenceCase {
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        expected_score: 3.911801099800000,
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    ReferenceCase {
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        expected_score: 5.439358711200000,
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    ReferenceCase {
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        expected_score: 5.452390670800000,
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    ReferenceCase {
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        expected_score: 5.450354576100000,
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    ReferenceCase {
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        expected_score: 5.651438713100000,
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    ReferenceCase {
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        expected_score: 5.683479309100000,
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    ReferenceCase {
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        expected_score: 6.067909240700000,
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    ReferenceCase {
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        expected_score: 6.120188236200000,
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    ReferenceCase {
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        expected_score: 6.183351039900000,
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    ReferenceCase {
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        expected_score: 11.228738784800001,
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    ReferenceCase {
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        expected_score: 11.281916618300000,
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    ReferenceCase {
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        expected_score: 12.936052322400000,
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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        expected_score: 11.228735923800000,
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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        expected_score: 15.938614845300000,
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    ReferenceCase {
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        expected_score: 16.807056426999999,
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    ReferenceCase {
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        expected_score: 16.807762146000002,
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    ReferenceCase {
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        expected_score: 16.807870864900000,
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    ReferenceCase {
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        expected_score: 3.938977718400000,
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    ReferenceCase {
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        expected_score: 3.911775112200000,
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    ReferenceCase {
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        expected_score: 5.439363479600000,
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    ReferenceCase {
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        expected_score: 5.452385902400000,
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    ReferenceCase {
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        expected_score: 5.450367927600000,
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    ReferenceCase {
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        expected_score: 5.651439666700000,
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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    ReferenceCase {
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        expected_score: 6.183403968800000,
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    ReferenceCase {
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    ReferenceCase {
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        expected_score: 11.281860351600001,
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    ReferenceCase {
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        expected_score: 12.936080932599999,
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    ReferenceCase {
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        expected_score: 6.067952156100000,
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    ReferenceCase {
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    ReferenceCase {
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        expected_score: 6.183390140500000,
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    ReferenceCase {
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        expected_score: 11.228677749599999,
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    ReferenceCase {
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        expected_score: 15.938619613600000,
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    ReferenceCase {
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        expected_score: 16.806915283199999,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        height: 128,
        expected_score: 16.806915283199999,
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    ReferenceCase {
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        width: 192,
        height: 192,
        expected_score: 16.807750701900002,
        expected_stats: DiffmapStats {
            min: 5.1015034,
            max: 16.80768,
            mean: 14.221941,
            std: 3.868083,
        },
    },
    ReferenceCase {
        name: "edge_h_shift_10_256x256",
        width: 256,
        height: 256,
        expected_score: 16.807870864900000,
        expected_stats: DiffmapStats {
            min: 5.1015034,
            max: 16.807837,
            mean: 14.867414,
            std: 3.529495,
        },
    },
    ReferenceCase {
        name: "edge_v_vs_blur_8x8",
        width: 8,
        height: 8,
        expected_score: 3.376651048700000,
        expected_stats: DiffmapStats {
            min: 1.3601855,
            max: 3.3766506,
            mean: 1.9655942,
            std: 0.5120376,
        },
    },
    ReferenceCase {
        name: "edge_v_vs_blur_9x9",
        width: 9,
        height: 9,
        expected_score: 4.039461135900000,
        expected_stats: DiffmapStats {
            min: 1.3166425,
            max: 4.0394626,
            mean: 2.0494113,
            std: 0.58406454,
        },
    },
    ReferenceCase {
        name: "edge_v_vs_blur_15x15",
        width: 15,
        height: 15,
        expected_score: 5.246461868300000,
        expected_stats: DiffmapStats {
            min: 1.3124766,
            max: 5.2464643,
            mean: 2.545307,
            std: 0.8944857,
        },
    },
    ReferenceCase {
        name: "edge_v_vs_blur_16x16",
        width: 16,
        height: 16,
        expected_score: 4.276969909700000,
        expected_stats: DiffmapStats {
            min: 0.7709356,
            max: 4.276969,
            mean: 1.9362817,
            std: 0.7988954,
        },
    },
    ReferenceCase {
        name: "edge_v_vs_blur_17x17",
        width: 17,
        height: 17,
        expected_score: 4.423347950000000,
        expected_stats: DiffmapStats {
            min: 0.7513217,
            max: 4.4233522,
            mean: 1.9253119,
            std: 0.8250535,
        },
    },
    ReferenceCase {
        name: "edge_v_vs_blur_23x23",
        width: 23,
        height: 23,
        expected_score: 5.582335472100000,
        expected_stats: DiffmapStats {
            min: 0.8560992,
            max: 5.58233,
            mean: 2.150926,
            std: 1.0977054,
        },
    },
    ReferenceCase {
        name: "edge_v_vs_blur_24x24",
        width: 24,
        height: 24,
        expected_score: 4.470637321500000,
        expected_stats: DiffmapStats {
            min: 0.41087008,
            max: 4.470636,
            mean: 1.6279387,
            std: 0.9703657,
        },
    },
    ReferenceCase {
        name: "edge_v_vs_blur_31x31",
        width: 31,
        height: 31,
        expected_score: 5.664394378700000,
        expected_stats: DiffmapStats {
            min: 0.6092396,
            max: 5.664393,
            mean: 1.8364655,
            std: 1.1909933,
        },
    },
    ReferenceCase {
        name: "edge_v_vs_blur_32x32",
        width: 32,
        height: 32,
        expected_score: 4.523095607800000,
        expected_stats: DiffmapStats {
            min: 0.26462013,
            max: 4.523094,
            mean: 1.3788303,
            std: 1.0370142,
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    },
    ReferenceCase {
        name: "edge_v_vs_blur_33x33",
        width: 33,
        height: 33,
        expected_score: 4.536100387600000,
        expected_stats: DiffmapStats {
            min: 0.2626522,
            max: 4.536101,
            mean: 1.3684728,
            std: 1.0322336,
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    },
    ReferenceCase {
        name: "edge_v_vs_blur_47x47",
        width: 47,
        height: 47,
        expected_score: 5.689992904700000,
        expected_stats: DiffmapStats {
            min: 0.26355457,
            max: 5.6899915,
            mean: 1.3631787,
            std: 1.2173036,
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    },
    ReferenceCase {
        name: "edge_v_vs_blur_48x48",
        width: 48,
        height: 48,
        expected_score: 4.541412353500000,
        expected_stats: DiffmapStats {
            min: 0.07735781,
            max: 4.5414085,
            mean: 0.99298066,
            std: 1.0424235,
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    },
    ReferenceCase {
        name: "edge_v_vs_blur_64x64",
        width: 64,
        height: 64,
        expected_score: 4.546411037400000,
        expected_stats: DiffmapStats {
            min: 0.044094577,
            max: 4.546409,
            mean: 0.76847225,
            std: 1.0019662,
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    },
    ReferenceCase {
        name: "edge_v_vs_blur_23x31",
        width: 23,
        height: 31,
        expected_score: 5.582337379500000,
        expected_stats: DiffmapStats {
            min: 0.8560964,
            max: 5.5823307,
            mean: 2.1838887,
            std: 1.1206386,
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    },
    ReferenceCase {
        name: "edge_v_vs_blur_31x23",
        width: 31,
        height: 23,
        expected_score: 5.664393901800000,
        expected_stats: DiffmapStats {
            min: 0.6092393,
            max: 5.6643915,
            mean: 1.8055611,
            std: 1.1678166,
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    },
    ReferenceCase {
        name: "edge_v_vs_blur_47x33",
        width: 47,
        height: 33,
        expected_score: 5.689990997300000,
        expected_stats: DiffmapStats {
            min: 0.26355496,
            max: 5.689992,
            mean: 1.3440621,
            std: 1.1991616,
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    },
    ReferenceCase {
        name: "edge_v_vs_blur_33x47",
        width: 33,
        height: 47,
        expected_score: 4.536100387600000,
        expected_stats: DiffmapStats {
            min: 0.26265174,
            max: 4.5360994,
            mean: 1.3876433,
            std: 1.0467278,
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    },
    ReferenceCase {
        name: "edge_v_vs_blur_128x96",
        width: 128,
        height: 96,
        expected_score: 4.546886920900000,
        expected_stats: DiffmapStats {
            min: 1.4123413e-5,
            max: 4.5468845,
            mean: 0.38708383,
            std: 0.8107689,
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    },
    ReferenceCase {
        name: "edge_v_vs_blur_96x128",
        width: 96,
        height: 128,
        expected_score: 4.546882629400000,
        expected_stats: DiffmapStats {
            min: 0.0026991768,
            max: 4.5468807,
            mean: 0.5199094,
            std: 0.90277576,
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    },
    ReferenceCase {
        name: "edge_v_vs_blur_128x128",
        width: 128,
        height: 128,
        expected_score: 4.546886920900000,
        expected_stats: DiffmapStats {
            min: 1.4123413e-5,
            max: 4.5468845,
            mean: 0.38875687,
            std: 0.814072,
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    },
    ReferenceCase {
        name: "edge_v_vs_blur_192x192",
        width: 192,
        height: 192,
        expected_score: 4.546886920900000,
        expected_stats: DiffmapStats {
            min: 0.0,
            max: 4.5468845,
            mean: 0.26026013,
            std: 0.6922926,
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    },
    ReferenceCase {
        name: "edge_v_vs_blur_256x256",
        width: 256,
        height: 256,
        expected_score: 4.546886920900000,
        expected_stats: DiffmapStats {
            min: 0.0,
            max: 4.5468845,
            mean: 0.19561332,
            std: 0.6112732,
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    },
    ReferenceCase {
        name: "random_seed0_shift_10_8x8",
        width: 8,
        height: 8,
        expected_score: 3.626642942400000,
        expected_stats: DiffmapStats {
            min: 3.5907495,
            max: 3.6266308,
            mean: 3.6022122,
            std: 0.0075910767,
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    },
    ReferenceCase {
        name: "random_seed0_shift_10_9x9",
        width: 9,
        height: 9,
        expected_score: 3.658857107200000,
        expected_stats: DiffmapStats {
            min: 3.6098876,
            max: 3.6588511,
            mean: 3.634557,
            std: 0.013595196,
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    },
    ReferenceCase {
        name: "random_seed0_shift_10_15x15",
        width: 15,
        height: 15,
        expected_score: 5.029678344700000,
        expected_stats: DiffmapStats {
            min: 4.9312854,
            max: 5.029682,
            mean: 4.9805617,
            std: 0.021166978,
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    },
    ReferenceCase {
        name: "random_seed0_shift_10_16x16",
        width: 16,
        height: 16,
        expected_score: 5.104817390400000,
        expected_stats: DiffmapStats {
            min: 4.9231353,
            max: 5.104828,
            mean: 5.0046706,
            std: 0.04044142,
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    },
    ReferenceCase {
        name: "random_seed0_shift_10_17x17",
        width: 17,
        height: 17,
        expected_score: 5.015224456800000,
        expected_stats: DiffmapStats {
            min: 4.94541,
            max: 5.015204,
            mean: 4.9798646,
            std: 0.01827753,
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    },
    ReferenceCase {
        name: "random_seed0_shift_10_23x23",
        width: 23,
        height: 23,
        expected_score: 4.973806381200000,
        expected_stats: DiffmapStats {
            min: 4.8347287,
            max: 4.9738016,
            mean: 4.9259686,
            std: 0.028034639,
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    ReferenceCase {
        name: "random_seed0_shift_10_24x24",
        width: 24,
        height: 24,
        expected_score: 4.995499134100000,
        expected_stats: DiffmapStats {
            min: 4.813648,
            max: 4.995484,
            mean: 4.919803,
            std: 0.045720074,
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    ReferenceCase {
        name: "random_seed0_shift_10_31x31",
        width: 31,
        height: 31,
        expected_score: 4.985588550600000,
        expected_stats: DiffmapStats {
            min: 4.603787,
            max: 4.9855814,
            mean: 4.88344,
            std: 0.06608359,
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    },
    ReferenceCase {
        name: "random_seed0_shift_10_32x32",
        width: 32,
        height: 32,
        expected_score: 4.989318847700000,
        expected_stats: DiffmapStats {
            min: 4.778753,
            max: 4.989284,
            mean: 4.875515,
            std: 0.040267896,
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    ReferenceCase {
        name: "random_seed0_shift_10_33x33",
        width: 33,
        height: 33,
        expected_score: 5.052874565100000,
        expected_stats: DiffmapStats {
            min: 4.728067,
            max: 5.0528493,
            mean: 4.861908,
            std: 0.07632706,
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    },
    ReferenceCase {
        name: "random_seed0_shift_10_47x47",
        width: 47,
        height: 47,
        expected_score: 5.086030960100000,
        expected_stats: DiffmapStats {
            min: 4.785982,
            max: 5.0860376,
            mean: 4.95588,
            std: 0.06341579,
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    ReferenceCase {
        name: "random_seed0_shift_10_48x48",
        width: 48,
        height: 48,
        expected_score: 5.091726303100000,
        expected_stats: DiffmapStats {
            min: 4.834615,
            max: 5.091721,
            mean: 4.9571457,
            std: 0.06530724,
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    ReferenceCase {
        name: "random_seed0_shift_10_64x64",
        width: 64,
        height: 64,
        expected_score: 5.067982673600000,
        expected_stats: DiffmapStats {
            min: 4.8107276,
            max: 5.067991,
            mean: 4.9433703,
            std: 0.05006107,
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    ReferenceCase {
        name: "random_seed0_shift_10_23x31",
        width: 23,
        height: 31,
        expected_score: 4.962579727200000,
        expected_stats: DiffmapStats {
            min: 4.879308,
            max: 4.962569,
            mean: 4.923013,
            std: 0.019875675,
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    ReferenceCase {
        name: "random_seed0_shift_10_31x23",
        width: 31,
        height: 23,
        expected_score: 4.993020534500000,
        expected_stats: DiffmapStats {
            min: 4.870534,
            max: 4.993011,
            mean: 4.9244146,
            std: 0.027426543,
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    ReferenceCase {
        name: "random_seed0_shift_10_47x33",
        width: 47,
        height: 33,
        expected_score: 5.089611053500000,
        expected_stats: DiffmapStats {
            min: 4.7862606,
            max: 5.089616,
            mean: 4.9263153,
            std: 0.05731517,
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    ReferenceCase {
        name: "random_seed0_shift_10_33x47",
        width: 33,
        height: 47,
        expected_score: 5.072916030900000,
        expected_stats: DiffmapStats {
            min: 4.790805,
            max: 5.0729084,
            mean: 4.9085293,
            std: 0.07891374,
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    ReferenceCase {
        name: "random_seed0_shift_10_128x96",
        width: 128,
        height: 96,
        expected_score: 5.038463115700000,
        expected_stats: DiffmapStats {
            min: 4.7657814,
            max: 5.038452,
            mean: 4.940558,
            std: 0.045582537,
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    ReferenceCase {
        name: "random_seed0_shift_10_96x128",
        width: 96,
        height: 128,
        expected_score: 5.078028678900000,
        expected_stats: DiffmapStats {
            min: 4.780649,
            max: 5.078049,
            mean: 4.9419026,
            std: 0.045650348,
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    ReferenceCase {
        name: "random_seed0_shift_10_128x128",
        width: 128,
        height: 128,
        expected_score: 5.199084281900000,
        expected_stats: DiffmapStats {
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            max: 5.199078,
            mean: 4.949839,
            std: 0.046563566,
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    ReferenceCase {
        name: "random_seed0_shift_10_192x192",
        width: 192,
        height: 192,
        expected_score: 5.103659153000000,
        expected_stats: DiffmapStats {
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            max: 5.103662,
            mean: 4.954114,
            std: 0.0483341,
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    ReferenceCase {
        name: "random_seed0_shift_10_256x256",
        width: 256,
        height: 256,
        expected_score: 5.139266967800000,
        expected_stats: DiffmapStats {
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            max: 5.13925,
            mean: 4.958886,
            std: 0.042827353,
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    },
    ReferenceCase {
        name: "random_seed1_shift_10_8x8",
        width: 8,
        height: 8,
        expected_score: 3.931479215600000,
        expected_stats: DiffmapStats {
            min: 3.874727,
            max: 3.9314792,
            mean: 3.8999932,
            std: 0.013335355,
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    },
    ReferenceCase {
        name: "random_seed1_shift_10_9x9",
        width: 9,
        height: 9,
        expected_score: 3.871630430200000,
        expected_stats: DiffmapStats {
            min: 3.839779,
            max: 3.8716025,
            mean: 3.8553705,
            std: 0.006690247,
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    ReferenceCase {
        name: "random_seed1_shift_10_15x15",
        width: 15,
        height: 15,
        expected_score: 5.068336963700000,
        expected_stats: DiffmapStats {
            min: 4.913181,
            max: 5.068341,
            mean: 4.9899573,
            std: 0.03423281,
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    ReferenceCase {
        name: "random_seed1_shift_10_16x16",
        width: 16,
        height: 16,
        expected_score: 5.038755416900000,
        expected_stats: DiffmapStats {
            min: 4.841471,
            max: 5.03876,
            mean: 4.928204,
            std: 0.041733537,
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    },
    ReferenceCase {
        name: "random_seed1_shift_10_17x17",
        width: 17,
        height: 17,
        expected_score: 5.049545288100000,
        expected_stats: DiffmapStats {
            min: 4.8456764,
            max: 5.0495577,
            mean: 4.944148,
            std: 0.052371573,
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    },
    ReferenceCase {
        name: "random_seed1_shift_10_23x23",
        width: 23,
        height: 23,
        expected_score: 5.030662059800000,
        expected_stats: DiffmapStats {
            min: 4.741192,
            max: 5.0306263,
            mean: 4.903857,
            std: 0.067388,
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    },
    ReferenceCase {
        name: "random_seed1_shift_10_24x24",
        width: 24,
        height: 24,
        expected_score: 5.029324531600000,
        expected_stats: DiffmapStats {
            min: 4.847255,
            max: 5.02933,
            mean: 4.9084983,
            std: 0.042686637,
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    },
    ReferenceCase {
        name: "random_seed1_shift_10_31x31",
        width: 31,
        height: 31,
        expected_score: 5.062032222700000,
        expected_stats: DiffmapStats {
            min: 4.79077,
            max: 5.0620456,
            mean: 4.9157557,
            std: 0.056282703,
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    },
    ReferenceCase {
        name: "random_seed1_shift_10_32x32",
        width: 32,
        height: 32,
        expected_score: 5.005493164100000,
        expected_stats: DiffmapStats {
            min: 4.8533216,
            max: 5.0054817,
            mean: 4.9211364,
            std: 0.034004692,
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    },
    ReferenceCase {
        name: "random_seed1_shift_10_33x33",
        width: 33,
        height: 33,
        expected_score: 5.023835182200000,
        expected_stats: DiffmapStats {
            min: 4.811767,
            max: 5.023848,
            mean: 4.9215045,
            std: 0.053186577,
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    },
    ReferenceCase {
        name: "random_seed1_shift_10_47x47",
        width: 47,
        height: 47,
        expected_score: 5.024320125600000,
        expected_stats: DiffmapStats {
            min: 4.8142357,
            max: 5.024296,
            mean: 4.9360657,
            std: 0.04446957,
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    },
    ReferenceCase {
        name: "random_seed1_shift_10_48x48",
        width: 48,
        height: 48,
        expected_score: 5.068636894200000,
        expected_stats: DiffmapStats {
            min: 4.8797283,
            max: 5.068613,
            mean: 4.930052,
            std: 0.036788147,
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    },
    ReferenceCase {
        name: "random_seed1_shift_10_64x64",
        width: 64,
        height: 64,
        expected_score: 5.059337139100000,
        expected_stats: DiffmapStats {
            min: 4.859723,
            max: 5.059355,
            mean: 4.9424,
            std: 0.042667203,
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    },
    ReferenceCase {
        name: "random_seed1_shift_10_23x31",
        width: 23,
        height: 31,
        expected_score: 5.035402774800000,
        expected_stats: DiffmapStats {
            min: 4.7946315,
            max: 5.035371,
            mean: 4.932402,
            std: 0.05040075,
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    },
    ReferenceCase {
        name: "random_seed1_shift_10_31x23",
        width: 31,
        height: 23,
        expected_score: 5.004354476900000,
        expected_stats: DiffmapStats {
            min: 4.7854104,
            max: 5.0043736,
            mean: 4.902559,
            std: 0.052795876,
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    },
    ReferenceCase {
        name: "random_seed1_shift_10_47x33",
        width: 47,
        height: 33,
        expected_score: 5.024944305400000,
        expected_stats: DiffmapStats {
            min: 4.815612,
            max: 5.0249176,
            mean: 4.9430895,
            std: 0.04001521,
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    },
    ReferenceCase {
        name: "random_seed1_shift_10_33x47",
        width: 33,
        height: 47,
        expected_score: 5.067491531400000,
        expected_stats: DiffmapStats {
            min: 4.8122153,
            max: 5.067473,
            mean: 4.93162,
            std: 0.053256497,
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    },
    ReferenceCase {
        name: "random_seed1_shift_10_128x96",
        width: 128,
        height: 96,
        expected_score: 5.061087131500000,
        expected_stats: DiffmapStats {
            min: 4.804055,
            max: 5.0611053,
            mean: 4.935979,
            std: 0.048378848,
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    },
    ReferenceCase {
        name: "random_seed1_shift_10_96x128",
        width: 96,
        height: 128,
        expected_score: 5.042435169200000,
        expected_stats: DiffmapStats {
            min: 4.7621694,
            max: 5.042421,
            mean: 4.933362,
            std: 0.04562957,
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    },
    ReferenceCase {
        name: "random_seed1_shift_10_128x128",
        width: 128,
        height: 128,
        expected_score: 5.059527874000000,
        expected_stats: DiffmapStats {
            min: 4.8104677,
            max: 5.059533,
            mean: 4.9419513,
            std: 0.04800019,
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    },
    ReferenceCase {
        name: "random_seed1_shift_10_192x192",
        width: 192,
        height: 192,
        expected_score: 5.101337909700000,
        expected_stats: DiffmapStats {
            min: 4.8152204,
            max: 5.101329,
            mean: 4.944511,
            std: 0.041358106,
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    },
    ReferenceCase {
        name: "random_seed1_shift_10_256x256",
        width: 256,
        height: 256,
        expected_score: 5.102199077600000,
        expected_stats: DiffmapStats {
            min: 4.7543683,
            max: 5.1022162,
            mean: 4.9457617,
            std: 0.04408036,
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    },
    ReferenceCase {
        name: "random_seed2_shift_10_8x8",
        width: 8,
        height: 8,
        expected_score: 3.653275489800000,
        expected_stats: DiffmapStats {
            min: 3.6003149,
            max: 3.6532764,
            mean: 3.6283948,
            std: 0.014319098,
        },
    },
    ReferenceCase {
        name: "random_seed2_shift_10_9x9",
        width: 9,
        height: 9,
        expected_score: 3.700732946400000,
        expected_stats: DiffmapStats {
            min: 3.6337147,
            max: 3.7007267,
            mean: 3.6631055,
            std: 0.017183103,
        },
    },
    ReferenceCase {
        name: "random_seed2_shift_10_15x15",
        width: 15,
        height: 15,
        expected_score: 4.976239204400000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_seed2_shift_10_16x16",
        width: 16,
        height: 16,
        expected_score: 4.977138519300000,
        expected_stats: DiffmapStats {
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    },
    ReferenceCase {
        name: "random_seed2_shift_10_17x17",
        width: 17,
        height: 17,
        expected_score: 5.000508308400000,
        expected_stats: DiffmapStats {
            min: 4.865656,
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    },
    ReferenceCase {
        name: "random_seed2_shift_10_23x23",
        width: 23,
        height: 23,
        expected_score: 4.960161209100000,
        expected_stats: DiffmapStats {
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    },
    ReferenceCase {
        name: "random_seed2_shift_10_24x24",
        width: 24,
        height: 24,
        expected_score: 5.039379119900000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_seed2_shift_10_31x31",
        width: 31,
        height: 31,
        expected_score: 5.043804168700000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_seed2_shift_10_32x32",
        width: 32,
        height: 32,
        expected_score: 5.085427284200000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_seed2_shift_10_33x33",
        width: 33,
        height: 33,
        expected_score: 5.038815498400000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_seed2_shift_10_47x47",
        width: 47,
        height: 47,
        expected_score: 5.037045002000000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_seed2_shift_10_48x48",
        width: 48,
        height: 48,
        expected_score: 5.023727417000000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_seed2_shift_10_64x64",
        width: 64,
        height: 64,
        expected_score: 5.065844535800000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_seed2_shift_10_23x31",
        width: 23,
        height: 31,
        expected_score: 5.148317813900000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_seed2_shift_10_31x23",
        width: 31,
        height: 23,
        expected_score: 5.154000759100000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_seed2_shift_10_47x33",
        width: 47,
        height: 33,
        expected_score: 5.051315784500000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 33,
        height: 47,
        expected_score: 5.022010803200000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_seed2_shift_10_128x96",
        width: 128,
        height: 96,
        expected_score: 5.105009079000000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 96,
        height: 128,
        expected_score: 5.082018852200000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 128,
        height: 128,
        expected_score: 5.105009079000000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 192,
        height: 192,
        expected_score: 5.124514102900000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_seed2_shift_10_256x256",
        width: 256,
        height: 256,
        expected_score: 5.117681503300000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 8,
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        expected_score: 3.592000484500000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 9,
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        expected_score: 3.690638542200000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 15,
        height: 15,
        expected_score: 5.156860828400000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 16,
        height: 16,
        expected_score: 5.047621250200000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 17,
        height: 17,
        expected_score: 5.002220153800000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 23,
        height: 23,
        expected_score: 5.032278537800000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 24,
        height: 24,
        expected_score: 5.004823207900000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 31,
        height: 31,
        expected_score: 5.101646423300000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 32,
        height: 32,
        expected_score: 5.123425006900000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 33,
        height: 33,
        expected_score: 5.042947769200000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 47,
        height: 47,
        expected_score: 5.077739715600000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 48,
        height: 48,
        expected_score: 5.104512691500000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 64,
        height: 64,
        expected_score: 5.147092342400000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 23,
        height: 31,
        expected_score: 5.049756050100000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        height: 23,
        expected_score: 5.062875747700000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 47,
        height: 33,
        expected_score: 5.064905643500000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 33,
        height: 47,
        expected_score: 5.128283977500000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 128,
        height: 96,
        expected_score: 5.179272651700000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 96,
        height: 128,
        expected_score: 5.082284450500000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        height: 128,
        expected_score: 5.179272651700000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 192,
        height: 192,
        expected_score: 5.122870922100000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_seed3_shift_10_256x256",
        width: 256,
        height: 256,
        expected_score: 5.126996040300000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 8,
        height: 8,
        expected_score: 3.921313047400000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 9,
        height: 9,
        expected_score: 3.859170198400000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 15,
        height: 15,
        expected_score: 5.144328117400000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 16,
        height: 16,
        expected_score: 5.165307998700000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 17,
        height: 17,
        expected_score: 5.088108539600000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_seed4_shift_10_23x23",
        width: 23,
        height: 23,
        expected_score: 5.117521762800000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_seed4_shift_10_24x24",
        width: 24,
        height: 24,
        expected_score: 5.041674614000000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 31,
        height: 31,
        expected_score: 4.981781482700000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 32,
        height: 32,
        expected_score: 5.018781662000000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 33,
        height: 33,
        expected_score: 4.988274574300000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_seed4_shift_10_47x47",
        width: 47,
        height: 47,
        expected_score: 5.090342998500000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_seed4_shift_10_48x48",
        width: 48,
        height: 48,
        expected_score: 5.065497398400000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_seed4_shift_10_64x64",
        width: 64,
        height: 64,
        expected_score: 5.027984619100000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_seed4_shift_10_23x31",
        width: 23,
        height: 31,
        expected_score: 5.116222381600000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 31,
        height: 23,
        expected_score: 4.989035606400000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_seed4_shift_10_47x33",
        width: 47,
        height: 33,
        expected_score: 5.090592384300000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 33,
        height: 47,
        expected_score: 4.988333702100000,
        expected_stats: DiffmapStats {
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            std: 0.048084754,
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    ReferenceCase {
        name: "random_seed4_shift_10_128x96",
        width: 128,
        height: 96,
        expected_score: 5.093766212500000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 96,
        height: 128,
        expected_score: 5.098940849300000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_seed4_shift_10_128x128",
        width: 128,
        height: 128,
        expected_score: 5.093766212500000,
        expected_stats: DiffmapStats {
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    },
    ReferenceCase {
        name: "random_seed4_shift_10_192x192",
        width: 192,
        height: 192,
        expected_score: 5.076221466100000,
        expected_stats: DiffmapStats {
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            std: 0.045069568,
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    ReferenceCase {
        name: "random_seed4_shift_10_256x256",
        width: 256,
        height: 256,
        expected_score: 5.073067665100000,
        expected_stats: DiffmapStats {
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            std: 0.0450195,
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    },
    ReferenceCase {
        name: "random_seed0_noise_20_8x8",
        width: 8,
        height: 8,
        expected_score: 1.181831121400000,
        expected_stats: DiffmapStats {
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            std: 0.12633204,
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    },
    ReferenceCase {
        name: "random_seed0_noise_20_9x9",
        width: 9,
        height: 9,
        expected_score: 1.103985428800000,
        expected_stats: DiffmapStats {
            min: 0.39335817,
            max: 1.1039847,
            mean: 0.71301466,
            std: 0.13433851,
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    },
    ReferenceCase {
        name: "random_seed0_noise_20_15x15",
        width: 15,
        height: 15,
        expected_score: 1.844608783700000,
        expected_stats: DiffmapStats {
            min: 0.9997811,
            max: 1.8445934,
            mean: 1.3048878,
            std: 0.14759076,
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    },
    ReferenceCase {
        name: "random_seed0_noise_20_16x16",
        width: 16,
        height: 16,
        expected_score: 1.865676283800000,
        expected_stats: DiffmapStats {
            min: 0.84196866,
            max: 1.8656691,
            mean: 1.3340219,
            std: 0.18532941,
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    },
    ReferenceCase {
        name: "random_seed0_noise_20_17x17",
        width: 17,
        height: 17,
        expected_score: 1.869201898600000,
        expected_stats: DiffmapStats {
            min: 0.9792658,
            max: 1.8692057,
            mean: 1.3972654,
            std: 0.17438477,
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    },
    ReferenceCase {
        name: "random_seed0_noise_20_23x23",
        width: 23,
        height: 23,
        expected_score: 1.678766727400000,
        expected_stats: DiffmapStats {
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            mean: 1.1628577,
            std: 0.14590423,
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    },
    ReferenceCase {
        name: "random_seed0_noise_20_24x24",
        width: 24,
        height: 24,
        expected_score: 1.942449927300000,
        expected_stats: DiffmapStats {
            min: 0.7158394,
            max: 1.9424523,
            mean: 1.1695297,
            std: 0.1748926,
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    },
    ReferenceCase {
        name: "random_seed0_noise_20_31x31",
        width: 31,
        height: 31,
        expected_score: 2.018519878400000,
        expected_stats: DiffmapStats {
            min: 0.53300667,
            max: 2.018515,
            mean: 1.1201626,
            std: 0.23419413,
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    },
    ReferenceCase {
        name: "random_seed0_noise_20_32x32",
        width: 32,
        height: 32,
        expected_score: 1.777923822400000,
        expected_stats: DiffmapStats {
            min: 0.62043774,
            max: 1.77791,
            mean: 1.1169221,
            std: 0.20044577,
        },
    },
    ReferenceCase {
        name: "random_seed0_noise_20_33x33",
        width: 33,
        height: 33,
        expected_score: 1.624806165700000,
        expected_stats: DiffmapStats {
            min: 0.63297904,
            max: 1.6248126,
            mean: 1.0896969,
            std: 0.17807487,
        },
    },
    ReferenceCase {
        name: "random_seed0_noise_20_47x47",
        width: 47,
        height: 47,
        expected_score: 2.045846700700000,
        expected_stats: DiffmapStats {
            min: 0.5593441,
            max: 2.04585,
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            std: 0.19038486,
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    },
    ReferenceCase {
        name: "random_seed0_noise_20_48x48",
        width: 48,
        height: 48,
        expected_score: 1.882130146000000,
        expected_stats: DiffmapStats {
            min: 0.63740796,
            max: 1.8821279,
            mean: 1.0738238,
            std: 0.19151372,
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    },
    ReferenceCase {
        name: "random_seed0_noise_20_64x64",
        width: 64,
        height: 64,
        expected_score: 2.060752868700000,
        expected_stats: DiffmapStats {
            min: 0.61304235,
            max: 2.060747,
            mean: 1.0900874,
            std: 0.19971046,
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    },
    ReferenceCase {
        name: "random_seed0_noise_20_23x31",
        width: 23,
        height: 31,
        expected_score: 1.838936567300000,
        expected_stats: DiffmapStats {
            min: 0.7174492,
            max: 1.8389382,
            mean: 1.1742072,
            std: 0.19007333,
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    },
    ReferenceCase {
        name: "random_seed0_noise_20_31x23",
        width: 31,
        height: 23,
        expected_score: 1.967409372300000,
        expected_stats: DiffmapStats {
            min: 0.54788446,
            max: 1.9674013,
            mean: 1.1644847,
            std: 0.22879983,
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    },
    ReferenceCase {
        name: "random_seed0_noise_20_47x33",
        width: 47,
        height: 33,
        expected_score: 2.046732425700000,
        expected_stats: DiffmapStats {
            min: 0.5602912,
            max: 2.0467343,
            mean: 1.0651349,
            std: 0.20203455,
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    },
    ReferenceCase {
        name: "random_seed0_noise_20_33x47",
        width: 33,
        height: 47,
        expected_score: 1.621183395400000,
        expected_stats: DiffmapStats {
            min: 0.58030814,
            max: 1.6211872,
            mean: 1.0528558,
            std: 0.18206894,
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    },
    ReferenceCase {
        name: "random_seed0_noise_20_128x96",
        width: 128,
        height: 96,
        expected_score: 1.901922226000000,
        expected_stats: DiffmapStats {
            min: 0.58629566,
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            mean: 1.0574143,
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    },
    ReferenceCase {
        name: "random_seed0_noise_20_96x128",
        width: 96,
        height: 128,
        expected_score: 2.083585262300000,
        expected_stats: DiffmapStats {
            min: 0.50720364,
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            mean: 1.0762862,
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    },
    ReferenceCase {
        name: "random_seed0_noise_20_128x128",
        width: 128,
        height: 128,
        expected_score: 1.993261694900000,
        expected_stats: DiffmapStats {
            min: 0.5746136,
            max: 1.9932595,
            mean: 1.0626885,
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    },
    ReferenceCase {
        name: "random_seed0_noise_20_192x192",
        width: 192,
        height: 192,
        expected_score: 2.402403354600000,
        expected_stats: DiffmapStats {
            min: 0.53903085,
            max: 2.402401,
            mean: 1.0781121,
            std: 0.19449803,
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    },
    ReferenceCase {
        name: "random_seed0_noise_20_256x256",
        width: 256,
        height: 256,
        expected_score: 2.189427852600000,
        expected_stats: DiffmapStats {
            min: 0.5379678,
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            mean: 1.0713897,
            std: 0.19198892,
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    },
    ReferenceCase {
        name: "random_seed1_noise_20_8x8",
        width: 8,
        height: 8,
        expected_score: 1.953735470800000,
        expected_stats: DiffmapStats {
            min: 1.316089,
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            std: 0.14761586,
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    ReferenceCase {
        name: "random_seed1_noise_20_9x9",
        width: 9,
        height: 9,
        expected_score: 1.304604768800000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_seed1_noise_20_15x15",
        width: 15,
        height: 15,
        expected_score: 1.386661171900000,
        expected_stats: DiffmapStats {
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            max: 1.3866584,
            mean: 1.0010026,
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    ReferenceCase {
        name: "random_seed1_noise_20_16x16",
        width: 16,
        height: 16,
        expected_score: 1.813201904300000,
        expected_stats: DiffmapStats {
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            mean: 0.9925276,
            std: 0.23989783,
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    ReferenceCase {
        name: "random_seed1_noise_20_17x17",
        width: 17,
        height: 17,
        expected_score: 1.800758719400000,
        expected_stats: DiffmapStats {
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            mean: 1.1232744,
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    ReferenceCase {
        name: "random_seed1_noise_20_23x23",
        width: 23,
        height: 23,
        expected_score: 1.604853868500000,
        expected_stats: DiffmapStats {
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            mean: 1.0387151,
            std: 0.16735294,
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    ReferenceCase {
        name: "random_seed1_noise_20_24x24",
        width: 24,
        height: 24,
        expected_score: 1.996558666200000,
        expected_stats: DiffmapStats {
            min: 0.61655813,
            max: 1.9965566,
            mean: 1.0553004,
            std: 0.18181276,
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    ReferenceCase {
        name: "random_seed1_noise_20_31x31",
        width: 31,
        height: 31,
        expected_score: 1.798167467100000,
        expected_stats: DiffmapStats {
            min: 0.60443527,
            max: 1.7981653,
            mean: 1.0663453,
            std: 0.1883354,
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    },
    ReferenceCase {
        name: "random_seed1_noise_20_32x32",
        width: 32,
        height: 32,
        expected_score: 1.818962574000000,
        expected_stats: DiffmapStats {
            min: 0.5614966,
            max: 1.818958,
            mean: 1.0446187,
            std: 0.19552825,
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    ReferenceCase {
        name: "random_seed1_noise_20_33x33",
        width: 33,
        height: 33,
        expected_score: 1.706653118100000,
        expected_stats: DiffmapStats {
            min: 0.57895637,
            max: 1.7066524,
            mean: 1.0741088,
            std: 0.1822771,
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    ReferenceCase {
        name: "random_seed1_noise_20_47x47",
        width: 47,
        height: 47,
        expected_score: 2.165351390800000,
        expected_stats: DiffmapStats {
            min: 0.5085656,
            max: 2.165346,
            mean: 1.1097453,
            std: 0.20714019,
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    ReferenceCase {
        name: "random_seed1_noise_20_48x48",
        width: 48,
        height: 48,
        expected_score: 1.960540056200000,
        expected_stats: DiffmapStats {
            min: 0.5760937,
            max: 1.9605399,
            mean: 1.0979768,
            std: 0.21786942,
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    },
    ReferenceCase {
        name: "random_seed1_noise_20_64x64",
        width: 64,
        height: 64,
        expected_score: 1.838655114200000,
        expected_stats: DiffmapStats {
            min: 0.5660702,
            max: 1.8386447,
            mean: 1.0460396,
            std: 0.18576995,
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    ReferenceCase {
        name: "random_seed1_noise_20_23x31",
        width: 23,
        height: 31,
        expected_score: 1.605820775000000,
        expected_stats: DiffmapStats {
            min: 0.6202284,
            max: 1.605819,
            mean: 1.0129099,
            std: 0.16331628,
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    ReferenceCase {
        name: "random_seed1_noise_20_31x23",
        width: 31,
        height: 23,
        expected_score: 1.597059965100000,
        expected_stats: DiffmapStats {
            min: 0.6234174,
            max: 1.5970603,
            mean: 1.0365274,
            std: 0.18343002,
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    ReferenceCase {
        name: "random_seed1_noise_20_47x33",
        width: 47,
        height: 33,
        expected_score: 2.157619953200000,
        expected_stats: DiffmapStats {
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            max: 2.1576176,
            mean: 1.1155813,
            std: 0.2047823,
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    ReferenceCase {
        name: "random_seed1_noise_20_33x47",
        width: 33,
        height: 47,
        expected_score: 1.759355425800000,
        expected_stats: DiffmapStats {
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            max: 1.7593552,
            mean: 1.0477133,
            std: 0.19910079,
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    },
    ReferenceCase {
        name: "random_seed1_noise_20_128x96",
        width: 128,
        height: 96,
        expected_score: 1.931962490100000,
        expected_stats: DiffmapStats {
            min: 0.55213964,
            max: 1.9319636,
            mean: 1.0501759,
            std: 0.18376763,
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    ReferenceCase {
        name: "random_seed1_noise_20_96x128",
        width: 96,
        height: 128,
        expected_score: 2.073661804200000,
        expected_stats: DiffmapStats {
            min: 0.57199836,
            max: 2.0736544,
            mean: 1.0621456,
            std: 0.19225278,
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    },
    ReferenceCase {
        name: "random_seed1_noise_20_128x128",
        width: 128,
        height: 128,
        expected_score: 2.308284044300000,
        expected_stats: DiffmapStats {
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            max: 2.3082802,
            mean: 1.0613879,
            std: 0.18859456,
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    },
    ReferenceCase {
        name: "random_seed1_noise_20_192x192",
        width: 192,
        height: 192,
        expected_score: 2.128408908800000,
        expected_stats: DiffmapStats {
            min: 0.5350383,
            max: 2.1284091,
            mean: 1.0588021,
            std: 0.18644138,
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    },
    ReferenceCase {
        name: "random_seed1_noise_20_256x256",
        width: 256,
        height: 256,
        expected_score: 2.684105396300000,
        expected_stats: DiffmapStats {
            min: 0.4661259,
            max: 2.684106,
            mean: 1.0708247,
            std: 0.19474639,
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    },
    ReferenceCase {
        name: "random_seed2_noise_20_8x8",
        width: 8,
        height: 8,
        expected_score: 1.557485580400000,
        expected_stats: DiffmapStats {
            min: 0.5738836,
            max: 1.5574796,
            mean: 0.76009697,
            std: 0.1628797,
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    },
    ReferenceCase {
        name: "random_seed2_noise_20_9x9",
        width: 9,
        height: 9,
        expected_score: 1.564762711500000,
        expected_stats: DiffmapStats {
            min: 0.67905074,
            max: 1.564763,
            mean: 0.9336079,
            std: 0.15628764,
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    },
    ReferenceCase {
        name: "random_seed2_noise_20_15x15",
        width: 15,
        height: 15,
        expected_score: 1.929255008700000,
        expected_stats: DiffmapStats {
            min: 0.6360074,
            max: 1.9292456,
            mean: 0.99768203,
            std: 0.20611148,
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    },
    ReferenceCase {
        name: "random_seed2_noise_20_16x16",
        width: 16,
        height: 16,
        expected_score: 1.370284438100000,
        expected_stats: DiffmapStats {
            min: 0.5327233,
            max: 1.3702822,
            mean: 0.93565804,
            std: 0.14962235,
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    },
    ReferenceCase {
        name: "random_seed2_noise_20_17x17",
        width: 17,
        height: 17,
        expected_score: 1.403411865200000,
        expected_stats: DiffmapStats {
            min: 0.58684474,
            max: 1.4034104,
            mean: 0.97673655,
            std: 0.16798389,
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    },
    ReferenceCase {
        name: "random_seed2_noise_20_23x23",
        width: 23,
        height: 23,
        expected_score: 1.567346692100000,
        expected_stats: DiffmapStats {
            min: 0.59836483,
            max: 1.5673424,
            mean: 1.0401257,
            std: 0.17868657,
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    },
    ReferenceCase {
        name: "random_seed2_noise_20_24x24",
        width: 24,
        height: 24,
        expected_score: 1.837504744500000,
        expected_stats: DiffmapStats {
            min: 0.51157236,
            max: 1.8375037,
            mean: 1.0245284,
            std: 0.19535168,
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    },
    ReferenceCase {
        name: "random_seed2_noise_20_31x31",
        width: 31,
        height: 31,
        expected_score: 1.587040901200000,
        expected_stats: DiffmapStats {
            min: 0.41237262,
            max: 1.5870404,
            mean: 1.0021945,
            std: 0.19711867,
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    },
    ReferenceCase {
        name: "random_seed2_noise_20_32x32",
        width: 32,
        height: 32,
        expected_score: 1.731758713700000,
        expected_stats: DiffmapStats {
            min: 0.48808908,
            max: 1.7317547,
            mean: 1.0203327,
            std: 0.204156,
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    },
    ReferenceCase {
        name: "random_seed2_noise_20_33x33",
        width: 33,
        height: 33,
        expected_score: 1.636648058900000,
        expected_stats: DiffmapStats {
            min: 0.6016864,
            max: 1.6366491,
            mean: 1.0300729,
            std: 0.1765066,
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    },
    ReferenceCase {
        name: "random_seed2_noise_20_47x47",
        width: 47,
        height: 47,
        expected_score: 1.924897670700000,
        expected_stats: DiffmapStats {
            min: 0.44413805,
            max: 1.9248934,
            mean: 1.0561174,
            std: 0.20017491,
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    },
    ReferenceCase {
        name: "random_seed2_noise_20_48x48",
        width: 48,
        height: 48,
        expected_score: 1.901266813300000,
        expected_stats: DiffmapStats {
            min: 0.5810951,
            max: 1.9012728,
            mean: 1.0780996,
            std: 0.20172782,
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    },
    ReferenceCase {
        name: "random_seed2_noise_20_64x64",
        width: 64,
        height: 64,
        expected_score: 1.978435397100000,
        expected_stats: DiffmapStats {
            min: 0.52213144,
            max: 1.978429,
            mean: 1.0119219,
            std: 0.17969507,
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    },
    ReferenceCase {
        name: "random_seed2_noise_20_23x31",
        width: 23,
        height: 31,
        expected_score: 1.628414869300000,
        expected_stats: DiffmapStats {
            min: 0.652466,
            max: 1.6284099,
            mean: 1.0269021,
            std: 0.17536566,
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    },
    ReferenceCase {
        name: "random_seed2_noise_20_31x23",
        width: 31,
        height: 23,
        expected_score: 1.530207157100000,
        expected_stats: DiffmapStats {
            min: 0.40904346,
            max: 1.5302085,
            mean: 0.96820813,
            std: 0.18254563,
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    },
    ReferenceCase {
        name: "random_seed2_noise_20_47x33",
        width: 47,
        height: 33,
        expected_score: 1.930824756600000,
        expected_stats: DiffmapStats {
            min: 0.44393063,
            max: 1.9308215,
            mean: 1.0172911,
            std: 0.1954746,
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    },
    ReferenceCase {
        name: "random_seed2_noise_20_33x47",
        width: 33,
        height: 47,
        expected_score: 2.050457954400000,
        expected_stats: DiffmapStats {
            min: 0.57205486,
            max: 2.0504553,
            mean: 1.0343144,
            std: 0.20446095,
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    },
    ReferenceCase {
        name: "random_seed2_noise_20_128x96",
        width: 128,
        height: 96,
        expected_score: 2.030630111700000,
        expected_stats: DiffmapStats {
            min: 0.49314937,
            max: 2.0306313,
            mean: 1.0556661,
            std: 0.18985239,
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    },
    ReferenceCase {
        name: "random_seed2_noise_20_96x128",
        width: 96,
        height: 128,
        expected_score: 1.997299432800000,
        expected_stats: DiffmapStats {
            min: 0.50249815,
            max: 1.9973043,
            mean: 1.0797163,
            std: 0.19854793,
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    },
    ReferenceCase {
        name: "random_seed2_noise_20_128x128",
        width: 128,
        height: 128,
        expected_score: 2.031075000800000,
        expected_stats: DiffmapStats {
            min: 0.49314937,
            max: 2.0310774,
            mean: 1.0593714,
            std: 0.1896003,
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    },
    ReferenceCase {
        name: "random_seed2_noise_20_192x192",
        width: 192,
        height: 192,
        expected_score: 2.153933048200000,
        expected_stats: DiffmapStats {
            min: 0.44321007,
            max: 2.1539323,
            mean: 1.0579042,
            std: 0.18956655,
        },
    },
    ReferenceCase {
        name: "random_seed2_noise_20_256x256",
        width: 256,
        height: 256,
        expected_score: 2.365266799900000,
        expected_stats: DiffmapStats {
            min: 0.49989736,
            max: 2.3652642,
            mean: 1.0716935,
            std: 0.1936277,
        },
    },
    ReferenceCase {
        name: "random_mid_contrast_1.2_16x16",
        width: 16,
        height: 16,
        expected_score: 3.357816219300000,
        expected_stats: DiffmapStats {
            min: 2.7078187,
            max: 3.3578222,
            mean: 3.0603092,
            std: 0.16232795,
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    },
    ReferenceCase {
        name: "random_mid_contrast_1.2_17x17",
        width: 17,
        height: 17,
        expected_score: 3.527525901800000,
        expected_stats: DiffmapStats {
            min: 2.792435,
            max: 3.5275388,
            mean: 3.208343,
            std: 0.17025904,
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    },
    ReferenceCase {
        name: "random_mid_contrast_1.2_23x23",
        width: 23,
        height: 23,
        expected_score: 3.418148040800000,
        expected_stats: DiffmapStats {
            min: 2.7258432,
            max: 3.418135,
            mean: 3.0458198,
            std: 0.1543097,
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    },
    ReferenceCase {
        name: "random_mid_contrast_1.2_24x24",
        width: 24,
        height: 24,
        expected_score: 3.376037597700000,
        expected_stats: DiffmapStats {
            min: 2.756951,
            max: 3.376022,
            mean: 3.0458176,
            std: 0.12018011,
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    ReferenceCase {
        name: "random_mid_contrast_1.2_31x31",
        width: 31,
        height: 31,
        expected_score: 3.398356437700000,
        expected_stats: DiffmapStats {
            min: 2.594455,
            max: 3.398362,
            mean: 2.9679542,
            std: 0.10298057,
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    ReferenceCase {
        name: "random_mid_contrast_1.2_32x32",
        width: 32,
        height: 32,
        expected_score: 3.256406307200000,
        expected_stats: DiffmapStats {
            min: 2.770145,
            max: 3.2563999,
            mean: 2.988339,
            std: 0.10127182,
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    },
    ReferenceCase {
        name: "random_mid_contrast_1.2_33x33",
        width: 33,
        height: 33,
        expected_score: 3.345917224900000,
        expected_stats: DiffmapStats {
            min: 2.4037824,
            max: 3.3459253,
            mean: 2.9859474,
            std: 0.21097828,
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    },
    ReferenceCase {
        name: "random_mid_contrast_1.2_47x47",
        width: 47,
        height: 47,
        expected_score: 3.561084270500000,
        expected_stats: DiffmapStats {
            min: 2.5027068,
            max: 3.561081,
            mean: 2.9216478,
            std: 0.19207577,
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    },
    ReferenceCase {
        name: "random_mid_contrast_1.2_48x48",
        width: 48,
        height: 48,
        expected_score: 3.482676506000000,
        expected_stats: DiffmapStats {
            min: 2.4726067,
            max: 3.4827023,
            mean: 2.9563777,
            std: 0.18942355,
        },
    },
    ReferenceCase {
        name: "random_mid_contrast_1.2_64x64",
        width: 64,
        height: 64,
        expected_score: 3.301926136000000,
        expected_stats: DiffmapStats {
            min: 2.532117,
            max: 3.3019278,
            mean: 2.9154508,
            std: 0.121516585,
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    },
    ReferenceCase {
        name: "random_mid_contrast_1.2_23x31",
        width: 23,
        height: 31,
        expected_score: 3.425765991200000,
        expected_stats: DiffmapStats {
            min: 2.6412024,
            max: 3.4257402,
            mean: 3.0064363,
            std: 0.14073582,
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    },
    ReferenceCase {
        name: "random_mid_contrast_1.2_31x23",
        width: 31,
        height: 23,
        expected_score: 3.293473243700000,
        expected_stats: DiffmapStats {
            min: 2.743003,
            max: 3.293461,
            mean: 2.966719,
            std: 0.087378055,
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    },
    ReferenceCase {
        name: "random_mid_contrast_1.2_47x33",
        width: 47,
        height: 33,
        expected_score: 3.561053037600000,
        expected_stats: DiffmapStats {
            min: 2.3132093,
            max: 3.5610466,
            mean: 2.8712583,
            std: 0.19074436,
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    },
    ReferenceCase {
        name: "random_mid_contrast_1.2_33x47",
        width: 33,
        height: 47,
        expected_score: 3.347808837900000,
        expected_stats: DiffmapStats {
            min: 2.2757003,
            max: 3.3478239,
            mean: 2.898074,
            std: 0.21868233,
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    },
    ReferenceCase {
        name: "random_mid_contrast_1.2_128x96",
        width: 128,
        height: 96,
        expected_score: 3.443159580200000,
        expected_stats: DiffmapStats {
            min: 2.3201487,
            max: 3.4431508,
            mean: 2.914129,
            std: 0.15292509,
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    },
    ReferenceCase {
        name: "random_mid_contrast_1.2_96x128",
        width: 96,
        height: 128,
        expected_score: 3.414538860300000,
        expected_stats: DiffmapStats {
            min: 2.488021,
            max: 3.4145274,
            mean: 2.893689,
            std: 0.1481558,
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    },
    ReferenceCase {
        name: "random_mid_contrast_1.2_128x128",
        width: 128,
        height: 128,
        expected_score: 3.361038684800000,
        expected_stats: DiffmapStats {
            min: 2.3529358,
            max: 3.3610601,
            mean: 2.888506,
            std: 0.14367415,
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    },
    ReferenceCase {
        name: "random_mid_contrast_1.2_192x192",
        width: 192,
        height: 192,
        expected_score: 3.589376926400000,
        expected_stats: DiffmapStats {
            min: 2.226163,
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            std: 0.14738075,
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    },
    ReferenceCase {
        name: "random_mid_contrast_1.2_256x256",
        width: 256,
        height: 256,
        expected_score: 3.511024951900000,
        expected_stats: DiffmapStats {
            min: 2.2010458,
            max: 3.5110404,
            mean: 2.8771768,
            std: 0.14796865,
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    },
    ReferenceCase {
        name: "random_mid_gamma_0.9_16x16",
        width: 16,
        height: 16,
        expected_score: 3.780386924700000,
        expected_stats: DiffmapStats {
            min: 3.6256208,
            max: 3.7803798,
            mean: 3.7177074,
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    ReferenceCase {
        name: "random_mid_gamma_0.9_17x17",
        width: 17,
        height: 17,
        expected_score: 3.754951953900000,
        expected_stats: DiffmapStats {
            min: 3.6287673,
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            mean: 3.6855824,
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    ReferenceCase {
        name: "random_mid_gamma_0.9_23x23",
        width: 23,
        height: 23,
        expected_score: 3.841466188400000,
        expected_stats: DiffmapStats {
            min: 3.6147869,
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    ReferenceCase {
        name: "random_mid_gamma_0.9_24x24",
        width: 24,
        height: 24,
        expected_score: 3.826800823200000,
        expected_stats: DiffmapStats {
            min: 3.6951191,
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    ReferenceCase {
        name: "random_mid_gamma_0.9_31x31",
        width: 31,
        height: 31,
        expected_score: 3.787732124300000,
        expected_stats: DiffmapStats {
            min: 3.625943,
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    ReferenceCase {
        name: "random_mid_gamma_0.9_32x32",
        width: 32,
        height: 32,
        expected_score: 3.804516792300000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_mid_gamma_0.9_33x33",
        width: 33,
        height: 33,
        expected_score: 3.879716873200000,
        expected_stats: DiffmapStats {
            min: 3.6831076,
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    ReferenceCase {
        name: "random_mid_gamma_0.9_47x47",
        width: 47,
        height: 47,
        expected_score: 3.823729991900000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_mid_gamma_0.9_48x48",
        width: 48,
        height: 48,
        expected_score: 3.831496477100000,
        expected_stats: DiffmapStats {
            min: 3.5285552,
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    ReferenceCase {
        name: "random_mid_gamma_0.9_64x64",
        width: 64,
        height: 64,
        expected_score: 3.851716518400000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_mid_gamma_0.9_23x31",
        width: 23,
        height: 31,
        expected_score: 3.839488029500000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 31,
        height: 23,
        expected_score: 3.807970762300000,
        expected_stats: DiffmapStats {
            min: 3.7051837,
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    ReferenceCase {
        name: "random_mid_gamma_0.9_47x33",
        width: 47,
        height: 33,
        expected_score: 3.897610187500000,
        expected_stats: DiffmapStats {
            min: 3.6570241,
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            std: 0.04817049,
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    ReferenceCase {
        name: "random_mid_gamma_0.9_33x47",
        width: 33,
        height: 47,
        expected_score: 3.925693512000000,
        expected_stats: DiffmapStats {
            min: 3.6840067,
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    ReferenceCase {
        name: "random_mid_gamma_0.9_128x96",
        width: 128,
        height: 96,
        expected_score: 3.873756885500000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_mid_gamma_0.9_96x128",
        width: 96,
        height: 128,
        expected_score: 3.899048328400000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_mid_gamma_0.9_128x128",
        width: 128,
        height: 128,
        expected_score: 3.907940864600000,
        expected_stats: DiffmapStats {
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            std: 0.044965185,
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    ReferenceCase {
        name: "random_mid_gamma_0.9_192x192",
        width: 192,
        height: 192,
        expected_score: 3.914564132700000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_mid_gamma_0.9_256x256",
        width: 256,
        height: 256,
        expected_score: 3.922567606000000,
        expected_stats: DiffmapStats {
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            mean: 3.7468486,
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    ReferenceCase {
        name: "random_mid_blur_16x16",
        width: 16,
        height: 16,
        expected_score: 8.917518615700001,
        expected_stats: DiffmapStats {
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            max: 8.917515,
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            std: 0.29570192,
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    ReferenceCase {
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        width: 17,
        height: 17,
        expected_score: 9.158810615500000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 23,
        height: 23,
        expected_score: 9.106546401999999,
        expected_stats: DiffmapStats {
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            mean: 8.13531,
            std: 0.25690377,
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    ReferenceCase {
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        width: 24,
        height: 24,
        expected_score: 8.926475524900001,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 31,
        height: 31,
        expected_score: 9.934573173500000,
        expected_stats: DiffmapStats {
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            std: 0.42102295,
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    ReferenceCase {
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        width: 32,
        height: 32,
        expected_score: 9.400671005200000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 33,
        height: 33,
        expected_score: 9.705527305600000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_mid_blur_47x47",
        width: 47,
        height: 47,
        expected_score: 9.473280906699999,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 48,
        height: 48,
        expected_score: 9.508089065600000,
        expected_stats: DiffmapStats {
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            max: 9.508067,
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    ReferenceCase {
        name: "random_mid_blur_64x64",
        width: 64,
        height: 64,
        expected_score: 9.619633674599999,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 23,
        height: 31,
        expected_score: 9.107776641799999,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 31,
        height: 23,
        expected_score: 9.141080856300000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 47,
        height: 33,
        expected_score: 9.454513549800000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 33,
        height: 47,
        expected_score: 9.704810142500000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_mid_blur_128x96",
        width: 128,
        height: 96,
        expected_score: 10.311388015700000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 96,
        height: 128,
        expected_score: 10.049722671500000,
        expected_stats: DiffmapStats {
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            std: 0.31807083,
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    ReferenceCase {
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        width: 128,
        height: 128,
        expected_score: 10.258371353099999,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_mid_blur_192x192",
        width: 192,
        height: 192,
        expected_score: 10.293983459500000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_mid_blur_256x256",
        width: 256,
        height: 256,
        expected_score: 10.355465889000000,
        expected_stats: DiffmapStats {
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            mean: 8.348854,
            std: 0.336225,
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    },
    ReferenceCase {
        name: "random_mid_quantize_32_16x16",
        width: 16,
        height: 16,
        expected_score: 0.366439163700000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
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        width: 17,
        height: 17,
        expected_score: 0.344981908800000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_mid_quantize_32_23x23",
        width: 23,
        height: 23,
        expected_score: 0.493767857600000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_mid_quantize_32_24x24",
        width: 24,
        height: 24,
        expected_score: 0.463157773000000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_mid_quantize_32_31x31",
        width: 31,
        height: 31,
        expected_score: 0.427895337300000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_mid_quantize_32_32x32",
        width: 32,
        height: 32,
        expected_score: 0.430450886500000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_mid_quantize_32_33x33",
        width: 33,
        height: 33,
        expected_score: 0.439643859900000,
        expected_stats: DiffmapStats {
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            mean: 0.30667564,
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    ReferenceCase {
        name: "random_mid_quantize_32_47x47",
        width: 47,
        height: 47,
        expected_score: 0.441153585900000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_mid_quantize_32_48x48",
        width: 48,
        height: 48,
        expected_score: 0.505528330800000,
        expected_stats: DiffmapStats {
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    },
    ReferenceCase {
        name: "random_mid_quantize_32_64x64",
        width: 64,
        height: 64,
        expected_score: 0.493050187800000,
        expected_stats: DiffmapStats {
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    ReferenceCase {
        name: "random_mid_quantize_32_23x31",
        width: 23,
        height: 31,
        expected_score: 0.490747958400000,
        expected_stats: DiffmapStats {
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            max: 0.4907421,
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            std: 0.041797053,
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    ReferenceCase {
        name: "random_mid_quantize_32_31x23",
        width: 31,
        height: 23,
        expected_score: 0.423365771800000,
        expected_stats: DiffmapStats {
            min: 0.21148518,
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            mean: 0.30904722,
            std: 0.037529584,
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    ReferenceCase {
        name: "random_mid_quantize_32_47x33",
        width: 47,
        height: 33,
        expected_score: 0.429855644700000,
        expected_stats: DiffmapStats {
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            max: 0.42986357,
            mean: 0.31940338,
            std: 0.028900037,
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    ReferenceCase {
        name: "random_mid_quantize_32_33x47",
        width: 33,
        height: 47,
        expected_score: 0.439759284300000,
        expected_stats: DiffmapStats {
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            std: 0.033131287,
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    },
    ReferenceCase {
        name: "random_mid_quantize_32_128x96",
        width: 128,
        height: 96,
        expected_score: 0.536553800100000,
        expected_stats: DiffmapStats {
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            std: 0.044434357,
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    },
    ReferenceCase {
        name: "random_mid_quantize_32_96x128",
        width: 96,
        height: 128,
        expected_score: 0.557236254200000,
        expected_stats: DiffmapStats {
            min: 0.21370883,
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            mean: 0.36236078,
            std: 0.04545764,
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    },
    ReferenceCase {
        name: "random_mid_quantize_32_128x128",
        width: 128,
        height: 128,
        expected_score: 0.536553800100000,
        expected_stats: DiffmapStats {
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            max: 0.53655607,
            mean: 0.3605877,
            std: 0.043268517,
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    },
    ReferenceCase {
        name: "random_mid_quantize_32_192x192",
        width: 192,
        height: 192,
        expected_score: 0.568421900300000,
        expected_stats: DiffmapStats {
            min: 0.2182619,
            max: 0.56842047,
            mean: 0.35720125,
            std: 0.04222201,
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    },
    ReferenceCase {
        name: "random_mid_quantize_32_256x256",
        width: 256,
        height: 256,
        expected_score: 0.589124023900000,
        expected_stats: DiffmapStats {
            min: 0.20994614,
            max: 0.5891294,
            mean: 0.35702452,
            std: 0.04111133,
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    },
    ReferenceCase {
        name: "color_grad_channel_swap_8x8",
        width: 8,
        height: 8,
        expected_score: 14.269427299500000,
        expected_stats: DiffmapStats {
            min: 3.8417642,
            max: 14.269431,
            mean: 6.7430186,
            std: 2.4473143,
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    },
    ReferenceCase {
        name: "color_grad_channel_swap_9x9",
        width: 9,
        height: 9,
        expected_score: 17.297607421900000,
        expected_stats: DiffmapStats {
            min: 4.215878,
            max: 17.297623,
            mean: 7.947133,
            std: 3.0456324,
        },
    },
    ReferenceCase {
        name: "color_grad_channel_swap_15x15",
        width: 15,
        height: 15,
        expected_score: 35.381294250499998,
        expected_stats: DiffmapStats {
            min: 6.8620067,
            max: 35.38131,
            mean: 16.046175,
            std: 6.9888725,
        },
    },
    ReferenceCase {
        name: "color_grad_channel_swap_16x16",
        width: 16,
        height: 16,
        expected_score: 35.840209960899998,
        expected_stats: DiffmapStats {
            min: 5.612125,
            max: 35.84022,
            mean: 15.972411,
            std: 7.5152445,
        },
    },
    ReferenceCase {
        name: "color_grad_channel_swap_17x17",
        width: 17,
        height: 17,
        expected_score: 39.669059753399999,
        expected_stats: DiffmapStats {
            min: 6.582343,
            max: 39.669075,
            mean: 17.637468,
            std: 8.22959,
        },
    },
    ReferenceCase {
        name: "color_grad_channel_swap_23x23",
        width: 23,
        height: 23,
        expected_score: 51.667316436800000,
        expected_stats: DiffmapStats {
            min: 5.0166492,
            max: 51.667328,
            mean: 22.277662,
            std: 11.730867,
        },
    },
    ReferenceCase {
        name: "color_grad_channel_swap_24x24",
        width: 24,
        height: 24,
        expected_score: 52.033523559599999,
        expected_stats: DiffmapStats {
            min: 4.2145076,
            max: 52.033485,
            mean: 22.728987,
            std: 12.199392,
        },
    },
    ReferenceCase {
        name: "color_grad_channel_swap_31x31",
        width: 31,
        height: 31,
        expected_score: 67.170898437500000,
        expected_stats: DiffmapStats {
            min: 3.9799185,
            max: 67.17091,
            mean: 29.15212,
            std: 16.254595,
        },
    },
    ReferenceCase {
        name: "color_grad_channel_swap_32x32",
        width: 32,
        height: 32,
        expected_score: 66.628494262700002,
        expected_stats: DiffmapStats {
            min: 3.2292023,
            max: 66.62844,
            mean: 29.312122,
            std: 16.516176,
        },
    },
    ReferenceCase {
        name: "color_grad_channel_swap_33x33",
        width: 33,
        height: 33,
        expected_score: 71.682815551800005,
        expected_stats: DiffmapStats {
            min: 3.4145558,
            max: 71.68287,
            mean: 31.802576,
            std: 17.625433,
        },
    },
    ReferenceCase {
        name: "color_grad_channel_swap_47x47",
        width: 47,
        height: 47,
        expected_score: 93.930633544900004,
        expected_stats: DiffmapStats {
            min: 2.876059,
            max: 93.93082,
            mean: 38.319214,
            std: 23.216064,
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    },
    ReferenceCase {
        name: "color_grad_channel_swap_48x48",
        width: 48,
        height: 48,
        expected_score: 93.042694091800001,
        expected_stats: DiffmapStats {
            min: 2.1316214,
            max: 93.04258,
            mean: 38.362274,
            std: 23.297165,
        },
    },
    ReferenceCase {
        name: "color_grad_channel_swap_64x64",
        width: 64,
        height: 64,
        expected_score: 117.588790893600006,
        expected_stats: DiffmapStats {
            min: 1.087545,
            max: 117.58921,
            mean: 50.59504,
            std: 30.277706,
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    },
    ReferenceCase {
        name: "color_grad_channel_swap_23x31",
        width: 23,
        height: 31,
        expected_score: 53.553588867199998,
        expected_stats: DiffmapStats {
            min: 5.146532,
            max: 53.55363,
            mean: 23.266472,
            std: 12.627397,
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    },
    ReferenceCase {
        name: "color_grad_channel_swap_31x23",
        width: 31,
        height: 23,
        expected_score: 61.664443969700002,
        expected_stats: DiffmapStats {
            min: 3.7152464,
            max: 61.66446,
            mean: 26.641636,
            std: 14.61957,
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    },
    ReferenceCase {
        name: "color_grad_channel_swap_47x33",
        width: 47,
        height: 33,
        expected_score: 87.937751770000006,
        expected_stats: DiffmapStats {
            min: 2.5051553,
            max: 87.93765,
            mean: 37.239933,
            std: 21.77702,
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    },
    ReferenceCase {
        name: "color_grad_channel_swap_33x47",
        width: 33,
        height: 47,
        expected_score: 73.579406738299994,
        expected_stats: DiffmapStats {
            min: 3.7152457,
            max: 73.57946,
            mean: 32.319332,
            std: 18.298578,
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    },
    ReferenceCase {
        name: "color_grad_channel_swap_128x96",
        width: 128,
        height: 96,
        expected_score: 162.417129516599999,
        expected_stats: DiffmapStats {
            min: 0.48978686,
            max: 162.41733,
            mean: 55.89011,
            std: 39.23619,
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    },
    ReferenceCase {
        name: "color_grad_channel_swap_96x128",
        width: 96,
        height: 128,
        expected_score: 132.888015747100013,
        expected_stats: DiffmapStats {
            min: 0.5931907,
            max: 132.88776,
            mean: 60.185402,
            std: 35.234974,
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    },
    ReferenceCase {
        name: "color_grad_channel_swap_128x128",
        width: 128,
        height: 128,
        expected_score: 165.567749023400012,
        expected_stats: DiffmapStats {
            min: 0.55998015,
            max: 165.56937,
            mean: 73.23591,
            std: 44.26849,
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    },
    ReferenceCase {
        name: "color_grad_channel_swap_192x192",
        width: 192,
        height: 192,
        expected_score: 159.185104370099992,
        expected_stats: DiffmapStats {
            min: 0.28191656,
            max: 159.18433,
            mean: 55.66335,
            std: 38.302013,
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    },
    ReferenceCase {
        name: "color_grad_channel_swap_256x256",
        width: 256,
        height: 256,
        expected_score: 214.381881713899986,
        expected_stats: DiffmapStats {
            min: 0.2774372,
            max: 214.3831,
            mean: 83.50245,
            std: 54.04386,
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    },
    ReferenceCase {
        name: "color_grad_hue_shift_8x8",
        width: 8,
        height: 8,
        expected_score: 18.640909194900001,
        expected_stats: DiffmapStats {
            min: 5.090464,
            max: 18.640913,
            mean: 10.580308,
            std: 2.7603695,
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    },
    ReferenceCase {
        name: "color_grad_hue_shift_9x9",
        width: 9,
        height: 9,
        expected_score: 23.609170913700002,
        expected_stats: DiffmapStats {
            min: 4.769807,
            max: 23.60918,
            mean: 12.502891,
            std: 3.617191,
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    },
    ReferenceCase {
        name: "color_grad_hue_shift_15x15",
        width: 15,
        height: 15,
        expected_score: 47.501022338900000,
        expected_stats: DiffmapStats {
            min: 7.350001,
            max: 47.501072,
            mean: 25.152164,
            std: 8.746376,
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    },
    ReferenceCase {
        name: "color_grad_hue_shift_16x16",
        width: 16,
        height: 16,
        expected_score: 48.298744201700003,
        expected_stats: DiffmapStats {
            min: 6.6422496,
            max: 48.298794,
            mean: 25.712118,
            std: 9.292038,
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    ReferenceCase {
        name: "color_grad_hue_shift_17x17",
        width: 17,
        height: 17,
        expected_score: 53.002799987800003,
        expected_stats: DiffmapStats {
            min: 6.9506683,
            max: 53.00286,
            mean: 27.89832,
            std: 10.166836,
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    },
    ReferenceCase {
        name: "color_grad_hue_shift_23x23",
        width: 23,
        height: 23,
        expected_score: 66.789955139200003,
        expected_stats: DiffmapStats {
            min: 5.9628987,
            max: 66.789986,
            mean: 35.761326,
            std: 13.164072,
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    },
    ReferenceCase {
        name: "color_grad_hue_shift_24x24",
        width: 24,
        height: 24,
        expected_score: 67.320518493700007,
        expected_stats: DiffmapStats {
            min: 6.0358973,
            max: 67.32053,
            mean: 36.925648,
            std: 13.376853,
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    },
    ReferenceCase {
        name: "color_grad_hue_shift_31x31",
        width: 31,
        height: 31,
        expected_score: 87.624847412099996,
        expected_stats: DiffmapStats {
            min: 4.836691,
            max: 87.62479,
            mean: 47.34493,
            std: 16.646236,
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    },
    ReferenceCase {
        name: "color_grad_hue_shift_32x32",
        width: 32,
        height: 32,
        expected_score: 88.021316528300005,
        expected_stats: DiffmapStats {
            min: 5.306752,
            max: 88.021286,
            mean: 47.67879,
            std: 16.450378,
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    },
    ReferenceCase {
        name: "color_grad_hue_shift_33x33",
        width: 33,
        height: 33,
        expected_score: 95.835189819299998,
        expected_stats: DiffmapStats {
            min: 4.568765,
            max: 95.83525,
            mean: 51.4797,
            std: 17.450577,
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    },
    ReferenceCase {
        name: "color_grad_hue_shift_47x47",
        width: 47,
        height: 47,
        expected_score: 121.233360290500002,
        expected_stats: DiffmapStats {
            min: 3.9584184,
            max: 121.23363,
            mean: 62.573982,
            std: 22.408167,
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    },
    ReferenceCase {
        name: "color_grad_hue_shift_48x48",
        width: 48,
        height: 48,
        expected_score: 120.443603515600003,
        expected_stats: DiffmapStats {
            min: 3.8217325,
            max: 120.44339,
            mean: 62.61126,
            std: 22.26375,
        },
    },
    ReferenceCase {
        name: "color_grad_hue_shift_64x64",
        width: 64,
        height: 64,
        expected_score: 147.271453857399990,
        expected_stats: DiffmapStats {
            min: 4.072289,
            max: 147.27205,
            mean: 82.33634,
            std: 25.746498,
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    },
    ReferenceCase {
        name: "color_grad_hue_shift_23x31",
        width: 23,
        height: 31,
        expected_score: 72.760650634800001,
        expected_stats: DiffmapStats {
            min: 5.75229,
            max: 72.76073,
            mean: 41.524433,
            std: 14.779185,
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    },
    ReferenceCase {
        name: "color_grad_hue_shift_31x23",
        width: 31,
        height: 23,
        expected_score: 77.064926147500003,
        expected_stats: DiffmapStats {
            min: 4.9223833,
            max: 77.06497,
            mean: 39.542717,
            std: 14.490464,
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    },
    ReferenceCase {
        name: "color_grad_hue_shift_47x33",
        width: 47,
        height: 33,
        expected_score: 110.139190673800002,
        expected_stats: DiffmapStats {
            min: 3.6800838,
            max: 110.13907,
            mean: 56.321377,
            std: 19.111547,
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    },
    ReferenceCase {
        name: "color_grad_hue_shift_33x47",
        width: 33,
        height: 47,
        expected_score: 101.918136596699995,
        expected_stats: DiffmapStats {
            min: 4.1038003,
            max: 101.91821,
            mean: 56.884533,
            std: 19.824621,
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    },
    ReferenceCase {
        name: "color_grad_hue_shift_128x96",
        width: 128,
        height: 96,
        expected_score: 203.584960937500000,
        expected_stats: DiffmapStats {
            min: 1.6825196,
            max: 203.5865,
            mean: 90.165726,
            std: 38.306477,
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    },
    ReferenceCase {
        name: "color_grad_hue_shift_96x128",
        width: 96,
        height: 128,
        expected_score: 164.363433837900004,
        expected_stats: DiffmapStats {
            min: 2.0990317,
            max: 164.36314,
            mean: 100.994316,
            std: 31.29255,
        },
    },
    ReferenceCase {
        name: "color_grad_hue_shift_128x128",
        width: 128,
        height: 128,
        expected_score: 217.129180908199999,
        expected_stats: DiffmapStats {
            min: 1.975251,
            max: 217.13116,
            mean: 120.20972,
            std: 37.352604,
        },
    },
    ReferenceCase {
        name: "color_grad_hue_shift_192x192",
        width: 192,
        height: 192,
        expected_score: 190.474319457999997,
        expected_stats: DiffmapStats {
            min: 0.65304476,
            max: 190.47345,
            mean: 91.6022,
            std: 36.22758,
        },
    },
    ReferenceCase {
        name: "color_grad_hue_shift_256x256",
        width: 256,
        height: 256,
        expected_score: 262.452514648399983,
        expected_stats: DiffmapStats {
            min: 0.6741897,
            max: 262.4541,
            mean: 138.20952,
            std: 49.12267,
        },
    },
    ReferenceCase {
        name: "random_color_channel_swap_16x16",
        width: 16,
        height: 16,
        expected_score: 5.194098472600000,
        expected_stats: DiffmapStats {
            min: 2.765948,
            max: 5.1940956,
            mean: 3.9232461,
            std: 0.4824837,
        },
    },
    ReferenceCase {
        name: "random_color_channel_swap_17x17",
        width: 17,
        height: 17,
        expected_score: 7.072145462000000,
        expected_stats: DiffmapStats {
            min: 3.3775969,
            max: 7.0721354,
            mean: 5.1566057,
            std: 0.80754167,
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    },
    ReferenceCase {
        name: "random_color_channel_swap_23x23",
        width: 23,
        height: 23,
        expected_score: 5.823387622800000,
        expected_stats: DiffmapStats {
            min: 2.249988,
            max: 5.8233695,
            mean: 4.11698,
            std: 0.6261079,
        },
    },
    ReferenceCase {
        name: "random_color_channel_swap_24x24",
        width: 24,
        height: 24,
        expected_score: 7.234189033500000,
        expected_stats: DiffmapStats {
            min: 2.1317713,
            max: 7.234179,
            mean: 4.3359933,
            std: 0.85357445,
        },
    },
    ReferenceCase {
        name: "random_color_channel_swap_31x31",
        width: 31,
        height: 31,
        expected_score: 4.994867324800000,
        expected_stats: DiffmapStats {
            min: 2.0426795,
            max: 4.9948626,
            mean: 3.3803506,
            std: 0.5076642,
        },
    },
    ReferenceCase {
        name: "random_color_channel_swap_32x32",
        width: 32,
        height: 32,
        expected_score: 6.321131706200000,
        expected_stats: DiffmapStats {
            min: 1.7188348,
            max: 6.321116,
            mean: 3.6437662,
            std: 1.017684,
        },
    },
    ReferenceCase {
        name: "random_color_channel_swap_33x33",
        width: 33,
        height: 33,
        expected_score: 7.032644271900000,
        expected_stats: DiffmapStats {
            min: 1.6441125,
            max: 7.0326476,
            mean: 3.5324476,
            std: 0.68659604,
        },
    },
    ReferenceCase {
        name: "random_color_channel_swap_47x47",
        width: 47,
        height: 47,
        expected_score: 5.892936229700000,
        expected_stats: DiffmapStats {
            min: 1.5477576,
            max: 5.892917,
            mean: 3.4612176,
            std: 0.75944793,
        },
    },
    ReferenceCase {
        name: "random_color_channel_swap_48x48",
        width: 48,
        height: 48,
        expected_score: 6.627130985300000,
        expected_stats: DiffmapStats {
            min: 1.1849341,
            max: 6.627147,
            mean: 3.3500357,
            std: 0.7995387,
        },
    },
    ReferenceCase {
        name: "random_color_channel_swap_64x64",
        width: 64,
        height: 64,
        expected_score: 6.119090080300000,
        expected_stats: DiffmapStats {
            min: 1.6519611,
            max: 6.119085,
            mean: 3.416757,
            std: 0.6577301,
        },
    },
    ReferenceCase {
        name: "random_color_channel_swap_23x31",
        width: 23,
        height: 31,
        expected_score: 6.018216610000000,
        expected_stats: DiffmapStats {
            min: 1.7812703,
            max: 6.0182123,
            mean: 3.8831627,
            std: 0.73110914,
        },
    },
    ReferenceCase {
        name: "random_color_channel_swap_31x23",
        width: 31,
        height: 23,
        expected_score: 5.104071617100000,
        expected_stats: DiffmapStats {
            min: 1.8950206,
            max: 5.104073,
            mean: 3.3023021,
            std: 0.5235221,
        },
    },
    ReferenceCase {
        name: "random_color_channel_swap_47x33",
        width: 47,
        height: 33,
        expected_score: 5.884913921400000,
        expected_stats: DiffmapStats {
            min: 1.5646237,
            max: 5.884898,
            mean: 3.526708,
            std: 0.8213146,
        },
    },
    ReferenceCase {
        name: "random_color_channel_swap_33x47",
        width: 33,
        height: 47,
        expected_score: 6.948028564500000,
        expected_stats: DiffmapStats {
            min: 1.7348729,
            max: 6.9480305,
            mean: 3.2951941,
            std: 0.64908826,
        },
    },
    ReferenceCase {
        name: "random_color_channel_swap_128x96",
        width: 128,
        height: 96,
        expected_score: 7.038221359300000,
        expected_stats: DiffmapStats {
            min: 1.6584105,
            max: 7.038225,
            mean: 3.3898787,
            std: 0.65278506,
        },
    },
    ReferenceCase {
        name: "random_color_channel_swap_96x128",
        width: 96,
        height: 128,
        expected_score: 6.422493934600000,
        expected_stats: DiffmapStats {
            min: 1.686088,
            max: 6.42249,
            mean: 3.3703687,
            std: 0.60700285,
        },
    },
    ReferenceCase {
        name: "random_color_channel_swap_128x128",
        width: 128,
        height: 128,
        expected_score: 7.038221359300000,
        expected_stats: DiffmapStats {
            min: 1.6584029,
            max: 7.038225,
            mean: 3.4328659,
            std: 0.64234585,
        },
    },
    ReferenceCase {
        name: "random_color_channel_swap_192x192",
        width: 192,
        height: 192,
        expected_score: 7.923476696000000,
        expected_stats: DiffmapStats {
            min: 1.3858589,
            max: 7.9234843,
            mean: 3.490665,
            std: 0.6341957,
        },
    },
    ReferenceCase {
        name: "random_color_channel_swap_256x256",
        width: 256,
        height: 256,
        expected_score: 7.526306152300000,
        expected_stats: DiffmapStats {
            min: 1.4828179,
            max: 7.5263,
            mean: 3.5296705,
            std: 0.6862273,
        },
    },
    ReferenceCase {
        name: "random_color_hue_shift_16x16",
        width: 16,
        height: 16,
        expected_score: 8.734687805200000,
        expected_stats: DiffmapStats {
            min: 3.8858023,
            max: 8.734699,
            mean: 6.267667,
            std: 1.0283284,
        },
    },
    ReferenceCase {
        name: "random_color_hue_shift_17x17",
        width: 17,
        height: 17,
        expected_score: 9.362903595000001,
        expected_stats: DiffmapStats {
            min: 5.106957,
            max: 9.362908,
            mean: 7.206012,
            std: 0.9194263,
        },
    },
    ReferenceCase {
        name: "random_color_hue_shift_23x23",
        width: 23,
        height: 23,
        expected_score: 12.375574111900001,
        expected_stats: DiffmapStats {
            min: 4.2318354,
            max: 12.375568,
            mean: 7.003621,
            std: 1.0134394,
        },
    },
    ReferenceCase {
        name: "random_color_hue_shift_24x24",
        width: 24,
        height: 24,
        expected_score: 9.342568397499999,
        expected_stats: DiffmapStats {
            min: 3.2717636,
            max: 9.342565,
            mean: 6.416995,
            std: 0.9792907,
        },
    },
    ReferenceCase {
        name: "random_color_hue_shift_31x31",
        width: 31,
        height: 31,
        expected_score: 11.067964553800000,
        expected_stats: DiffmapStats {
            min: 4.2663455,
            max: 11.067964,
            mean: 6.579219,
            std: 1.1226779,
        },
    },
    ReferenceCase {
        name: "random_color_hue_shift_32x32",
        width: 32,
        height: 32,
        expected_score: 10.107030868500001,
        expected_stats: DiffmapStats {
            min: 3.9287908,
            max: 10.107033,
            mean: 6.7062335,
            std: 1.061615,
        },
    },
    ReferenceCase {
        name: "random_color_hue_shift_33x33",
        width: 33,
        height: 33,
        expected_score: 9.479100227400000,
        expected_stats: DiffmapStats {
            min: 4.137045,
            max: 9.479106,
            mean: 6.658954,
            std: 0.9675766,
        },
    },
    ReferenceCase {
        name: "random_color_hue_shift_47x47",
        width: 47,
        height: 47,
        expected_score: 10.489116668699999,
        expected_stats: DiffmapStats {
            min: 3.6232185,
            max: 10.48912,
            mean: 6.882564,
            std: 1.0810095,
        },
    },
    ReferenceCase {
        name: "random_color_hue_shift_48x48",
        width: 48,
        height: 48,
        expected_score: 10.595977783200000,
        expected_stats: DiffmapStats {
            min: 3.8936064,
            max: 10.595979,
            mean: 6.8223133,
            std: 1.0889909,
        },
    },
    ReferenceCase {
        name: "random_color_hue_shift_64x64",
        width: 64,
        height: 64,
        expected_score: 12.619894981400000,
        expected_stats: DiffmapStats {
            min: 3.3459105,
            max: 12.619893,
            mean: 6.6621795,
            std: 1.1043466,
        },
    },
    ReferenceCase {
        name: "random_color_hue_shift_23x31",
        width: 23,
        height: 31,
        expected_score: 12.240024566700001,
        expected_stats: DiffmapStats {
            min: 4.187907,
            max: 12.24001,
            mean: 7.2109346,
            std: 1.2134502,
        },
    },
    ReferenceCase {
        name: "random_color_hue_shift_31x23",
        width: 31,
        height: 23,
        expected_score: 11.568676948500000,
        expected_stats: DiffmapStats {
            min: 4.4449973,
            max: 11.568673,
            mean: 6.785315,
            std: 1.0764817,
        },
    },
    ReferenceCase {
        name: "random_color_hue_shift_47x33",
        width: 47,
        height: 33,
        expected_score: 10.689239502000000,
        expected_stats: DiffmapStats {
            min: 3.6337569,
            max: 10.689244,
            mean: 6.8306775,
            std: 1.1092397,
        },
    },
    ReferenceCase {
        name: "random_color_hue_shift_33x47",
        width: 33,
        height: 47,
        expected_score: 9.849535942099999,
        expected_stats: DiffmapStats {
            min: 3.9826639,
            max: 9.849534,
            mean: 6.695072,
            std: 0.9713424,
        },
    },
    ReferenceCase {
        name: "random_color_hue_shift_128x96",
        width: 128,
        height: 96,
        expected_score: 12.817176818800000,
        expected_stats: DiffmapStats {
            min: 3.5771024,
            max: 12.817177,
            mean: 6.92137,
            std: 1.2127025,
        },
    },
    ReferenceCase {
        name: "random_color_hue_shift_96x128",
        width: 96,
        height: 128,
        expected_score: 13.718146324199999,
        expected_stats: DiffmapStats {
            min: 3.631574,
            max: 13.718149,
            mean: 6.8863664,
            std: 1.1897883,
        },
    },
    ReferenceCase {
        name: "random_color_hue_shift_128x128",
        width: 128,
        height: 128,
        expected_score: 12.823586463900000,
        expected_stats: DiffmapStats {
            min: 3.577142,
            max: 12.823586,
            mean: 6.926567,
            std: 1.2084161,
        },
    },
    ReferenceCase {
        name: "random_color_hue_shift_192x192",
        width: 192,
        height: 192,
        expected_score: 13.803640365600000,
        expected_stats: DiffmapStats {
            min: 3.5941691,
            max: 13.803638,
            mean: 7.011118,
            std: 1.216743,
        },
    },
    ReferenceCase {
        name: "random_color_hue_shift_256x256",
        width: 256,
        height: 256,
        expected_score: 13.892253875700000,
        expected_stats: DiffmapStats {
            min: 3.5975425,
            max: 13.892257,
            mean: 7.1038313,
            std: 1.2250984,
        },
    },
];