Very difficult sudoku #1518
| 8 | 5 | 6 | 3 | 4 | ||||
| 7 | 9 | |||||||
| 2 | 6 | |||||||
| 2 | 9 | |||||||
| 3 | 7 | |||||||
| 1 | 3 | 7 | 8 | |||||
| 3 | ||||||||
| 4 | 1 | 9 | ||||||
| 5 | 1 | 7 | 2 | 6 |
Puzzle Completed
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