Very difficult sudoku #1997
| 6 | 5 | |||||||
| 3 | 9 | 7 | ||||||
| 4 | 7 | 5 | ||||||
| 6 | 5 | 7 | 4 | 1 | ||||
| 9 | 4 | |||||||
| 8 | 3 | 9 | 2 | 7 | ||||
| 9 | 5 | 2 | ||||||
| 5 | 4 | 3 | ||||||
| 7 | 2 |
Puzzle Completed
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