Very difficult sudoku #717
| 3 | 5 | 2 | ||||||
| 6 | 1 | 4 | ||||||
| 1 | 4 | 7 | ||||||
| 8 | 2 | 7 | ||||||
| 6 | 8 | 1 | 3 | |||||
| 3 | 2 | |||||||
| 8 | 4 | 9 | ||||||
| 4 | 8 | |||||||
| 7 | 9 | 6 |
Puzzle Completed
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