Very difficult sudoku #3309
| 6 | 3 | 7 | 9 | |||||
| 7 | 1 | 6 | 8 | |||||
| 1 | 8 | 2 | 6 | |||||
| 8 | 3 | |||||||
| 9 | 1 | |||||||
| 3 | 4 | |||||||
| 8 | 2 | 1 | 9 | |||||
| 3 | 9 | 8 | 1 | |||||
| 4 | 6 | 3 | 5 |
Puzzle Completed
Your time
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How difficult was this sudoku?
| 6 | 3 | 7 | 9 | |||||
| 7 | 1 | 6 | 8 | |||||
| 1 | 8 | 2 | 6 | |||||
| 8 | 3 | |||||||
| 9 | 1 | |||||||
| 3 | 4 | |||||||
| 8 | 2 | 1 | 9 | |||||
| 3 | 9 | 8 | 1 | |||||
| 4 | 6 | 3 | 5 |
How difficult was this sudoku?