Very difficult sudoku #1040
| 1 | 6 | 4 | 2 | |||||
| 9 | 4 | 5 | ||||||
| 2 | 9 | 7 | ||||||
| 6 | 7 | 4 | ||||||
| 9 | ||||||||
| 3 | 7 | 9 | ||||||
| 1 | 6 | 2 | 9 | |||||
| 5 | 3 | 2 | ||||||
| 2 | 8 | 3 | 1 |
Puzzle Completed
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