4 x 4 ... 16 x 16

The program can solve puzzles of different grid sizes: 4 x 4 (the subgrids' size is 2 x 2), 6 x 6 (the subgrids' size is 3 x 2), 8 x 8 (the subgrids' size is 4 x 2), 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).

4 x 4


6 x 6


8 x 8


10 x 10


12 x 12


15 x 15


16 x 16

The formats of sudoku files: