Very difficult sudoku #864
| 7 | 8 | |||||||
| 1 | 9 | 6 | ||||||
| 7 | 2 | 5 | 9 | |||||
| 1 | 2 | 6 | ||||||
| 4 | 8 | 7 | ||||||
| 9 | 6 | |||||||
| 4 | 9 | |||||||
| 4 | 7 | 8 | ||||||
| 3 | 1 | 6 | 9 |
Puzzle Completed
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