Ťažké sudoku #1564
| 5 | 4 | 6 | 7 | |||||
| 1 | 8 | 4 | ||||||
| 5 | 1 | |||||||
| 2 | 6 | |||||||
| 2 | 7 | 3 | ||||||
| 8 | 1 | |||||||
| 8 | 9 | |||||||
| 5 | 9 | 2 | ||||||
| 7 | 6 | 1 | 4 |
Puzzle Completed
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How difficult was this sudoku?
SK
Sudoku