Very difficult sudoku #2831
| 6 | 3 | 8 | 4 | |||||
| 3 | 1 | 6 | 2 | |||||
| 4 | 7 | |||||||
| 7 | 1 | 9 | 2 | 6 | 5 | |||
| 5 | 4 | |||||||
| 6 | 9 | 2 | 7 | |||||
| 6 | 4 | 3 | ||||||
| 1 | 8 | 3 | 7 |
Puzzle Completed
Your time
00:00
How difficult was this sudoku?
Sudoku