PlaySudoku.us
Expert · Puzzle #824
1
2
8
6
3
3
7
6
7
3
6
1
8
5
4
1
7
5
3
2
6
4
8
6
9
Techniques used
- Naked Single
- Hidden Single
- Naked Pair
- Naked Triple
- Pointing Pair
- Box-Line Reduction
- 2-String Kite
- XY-Chain
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.
"Mathematics is the queen of the sciences." — Carl Friedrich Gauss
"Mathematics is the queen of the sciences." — Carl Friedrich Gauss