PlaySudoku.us
Evil · Puzzle #382
4
7
8
3
6
9
6
8
6
3
8
4
5
1
9
2
9
5
3
6
3
2
4
2
8
7
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.
There are 6,670,903,752,021,072,936,960 valid completed Sudoku grids — that's 6.7 sextillion.
There are 6,670,903,752,021,072,936,960 valid completed Sudoku grids — that's 6.7 sextillion.