Ťažké sudoku #764
| 9 | 6 | 5 | 2 | |||||
| 2 | 5 | 9 | ||||||
| 6 | 7 | 4 | ||||||
| 4 | 6 | |||||||
| 6 | 9 | 8 | 1 | |||||
| 2 | 7 | |||||||
| 7 | 1 | 9 | ||||||
| 9 | 5 | 3 | 7 | |||||
| 6 | 1 | 2 | 4 |
Puzzle Completed
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How difficult was this sudoku?
SK
Sudoku