PlaySudoku.us
Evil · Puzzle #123
6
8
5
8
1
9
8
2
1
9
9
6
7
7
1
5
2
6
8
4
1
7
5
6
4
Some hospitals use Sudoku as a cognitive exercise for patients recovering from strokes or brain injuries.
Some hospitals use Sudoku as a cognitive exercise for patients recovering from strokes or brain injuries.
Irregular Sudoku (also called Squiggly Sudoku) uses non-rectangular regions instead of 3×3 boxes, requiring different solving strategies.
Irregular Sudoku (also called Squiggly Sudoku) uses non-rectangular regions instead of 3×3 boxes, requiring different solving strategies.