PlaySudoku.us
Evil · Puzzle #604
8
3
2
5
4
2
6
1
8
5
3
1
7
3
4
2
6
5
7
1
4
9
3
8
Techniques used
- Naked Single
- Hidden Single
- Naked Triple
- Naked Pair
- Pointing Pair
- X-Wing
- 2-String Kite
- Pointing Triple
- XY-Chain
- Forcing Chains
"I became a good pitcher when I stopped trying to make them miss the ball and started trying to make them hit it." — Sandy Koufax
"I became a good pitcher when I stopped trying to make them miss the ball and started trying to make them hit it." — Sandy Koufax
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.