PlaySudoku.us
Evil · Puzzle #422
8
3
2
5
4
5
8
2
6
7
2
4
4
6
9
6
3
5
1
3
2
4
5
7
6
Techniques used
- Hidden Single
- Naked Pair
- Box-Line Reduction
- Forcing Chains
- Naked Single
- UR Type 4
- Swordfish
- XY-Chain
"The only way to prove that you're a good sport is to lose." — Ernie Banks
"The only way to prove that you're a good sport is to lose." — Ernie Banks
Sudoku is listed as a recommended mental exercise in several cognitive rehabilitation programs for TBI (traumatic brain injury) patients.
Sudoku is listed as a recommended mental exercise in several cognitive rehabilitation programs for TBI (traumatic brain injury) patients.