Very difficult sudoku #478
| 9 | 2 | |||||||
| 1 | ||||||||
| 5 | 7 | 4 | 3 | |||||
| 7 | 1 | 5 | ||||||
| 4 | 6 | |||||||
| 5 | 6 | 4 | 1 | |||||
| 9 | 5 | 6 | ||||||
| 1 | 2 | 3 | 6 | 8 | ||||
| 6 | 2 | 3 |
Puzzle Completed
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