8
6
7
2
3
4
8
2
6
1
4
7
1
7
4
3
7
8
1
5
8
3
7
6
4
9
3
9
6
1
1
9
4
2
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.
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.