PlaySudoku.us
Hard · Puzzle #826
8
1
5
2
5
8
8
3
5
7
6
8
2
9
2
5
3
6
9
1
7
1
9
2
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.
"Chess is the touchstone of intellect." — Johann Wolfgang von Goethe
"Chess is the touchstone of intellect." — Johann Wolfgang von Goethe