Veľmi ťažké sudoku #1966
| 9 | 1 | 8 | 7 | |||||
| 7 | 8 | 6 | 3 | 1 | ||||
| 7 | 8 | |||||||
| 1 | 7 | 4 | 2 | |||||
| 2 | 3 | 5 | ||||||
| 7 | 9 | 2 | 4 | |||||
| 9 | 5 | 6 | 2 | |||||
| 3 | 8 | 5 |
Puzzle Completed
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How difficult was this sudoku?
SK
Sudoku