Ťažké sudoku #507
| 3 | 9 | 4 | 2 | |||||
| 8 | 4 | 1 | 7 | |||||
| 6 | 3 | 8 | ||||||
| 5 | 9 | 1 | 6 | |||||
| 3 | 1 | 7 | ||||||
| 7 | 1 | 2 | 9 | |||||
| 4 | 6 | 3 | 7 | |||||
| 2 |
Puzzle Completed
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How difficult was this sudoku?
SK
Sudoku