Very difficult sudoku #3615
| 3 | 6 | 5 | 9 | |||||
| 2 | 3 | 5 | ||||||
| 7 | 6 | 1 | ||||||
| 5 | 6 | |||||||
| 3 | 4 | 8 | 5 | 6 | ||||
| 7 | 4 | |||||||
| 4 | 7 | 3 | ||||||
| 1 | 4 | 2 | ||||||
| 8 | 3 | 1 | 5 |
Puzzle Completed
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