double/
double.rs

1use bint::Bint;
2
3fn perms(i: u8) -> (u8, u8) {
4    (i % 6, i % 10)
5}
6
7fn main() {
8    let mut bint = Bint::new(30);
9    for _ in 0..60 {
10        let (x, y) = perms(bint.value);
11        bint = bint.up();
12        println!("{} {}", x, y);
13    }
14}