Very difficult sudoku #2237
| 1 | 7 | 8 | ||||||
| 5 | 3 | 7 | ||||||
| 9 | 7 | 5 | 2 | |||||
| 2 | 9 | 4 | ||||||
| 2 | 7 | |||||||
| 1 | 8 | 2 | 6 | |||||
| 4 | 6 | 7 | ||||||
| 3 | 5 | 9 | ||||||
| 9 | 4 | 6 | 5 |
Puzzle Completed
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