Very difficult sudoku #1536
| 4 | ||||||||
| 9 | 7 | 5 | 2 | |||||
| 8 | 7 | |||||||
| 6 | 8 | 1 | ||||||
| 4 | 9 | |||||||
| 2 | 1 | 5 | ||||||
| 6 | 5 | 1 | 9 | 2 | ||||
| 7 | 2 | 6 | ||||||
| 8 | 7 | 4 |
Puzzle Completed
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