Very difficult sudoku #3101
| 7 | 1 | 3 | 5 | |||||
| 1 | 5 | 7 | 4 | |||||
| 6 | 4 | 8 | ||||||
| 9 | 5 | 2 | 8 | 7 | ||||
| 1 | 3 | |||||||
| 8 | 3 | 2 | 1 | |||||
| 6 | 3 | |||||||
| 6 | 8 | |||||||
| 5 | 9 |
Puzzle Completed
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