Very difficult sudoku #429
| 3 | 6 | 4 | 5 | |||||
| 5 | 7 | 6 | 9 | |||||
| 4 | 7 | |||||||
| 7 | 4 | 6 | ||||||
| 9 | 7 | |||||||
| 6 | 3 | 9 | ||||||
| 7 | 1 | |||||||
| 1 | 5 | 7 | 4 | |||||
| 6 | 1 | 9 | 8 |
Puzzle Completed
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