Ťažké sudoku #2012
| 6 | 1 | |||||||
| 4 | 9 | 7 | ||||||
| 5 | 7 | 3 | 6 | |||||
| 9 | 2 | |||||||
| 6 | 7 | 3 | 4 | 9 | 1 | |||
| 7 | 1 | |||||||
| 1 | 9 | 5 | 2 | |||||
| 8 | 6 | 9 | ||||||
| 5 | 7 |
Puzzle Completed
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How difficult was this sudoku?
SK
Sudoku