Structs§
- BoxLine
Reduction - Box/Line Reduction: If all candidates for a value in a row/column are in the same box
- Hidden
Singles - Hidden Singles: If a value can only go in one cell in a unit (row, column, or box)
- Naked
Pairs - Naked Pairs: If two cells in a unit have the same two candidates, eliminate those from other cells
- Naked
Singles - Naked Singles: If a cell has only one possible candidate, fill it
- Pointing
Pairs - Pointing Pairs/Triples: If all candidates for a value in a box are in the same row/column
- Sudoku
- Sudoku
Solver - Swordfish
- Swordfish: Even more advanced pattern recognition
- XWing
- X-Wing: Advanced pattern recognition strategy