10 x 10, 12 x 12, 15 x 15, 16 x 16
The program can solve puzzles with various sizes of grid: 10 x 10 (the subgrids' size is 5 x 2), 12 x 12 (the subgrids' size is 4 x 3), 15 x 15 (the subgrids' size is 5 x 3), 16 x 16 (the subgrids' size is 4 x 4).
The formats of sudoku files:
- S10 - the puzzle with the 10 x 10 grid;
- S12 - the puzzle with the 12 x 12 grid;
- S15 - the puzzle with the 15 x 15 grid;
- S16 - the puzzle with the 16 x 16 grid.