1
9
3
7
8
5
7
7
9
3
9
6
7
4
1
8
2
4
4
3
8
6
9
1
6
4
7
Time 00:00
Mistakes 0
Ready
Expert Sudoku #225
XY-Wings, forced chains and positions that punish impatience.
| Difficulty | Expert |
| Clues given | 27 of 81 |
| Technique score | 52.2 |
| Rated techniques | 3 |
Techniques this puzzle needs
Where to start
The first move on this board is a Naked Single: Row 6, column 2 already sees all eight other digits in its row, column and box, so it can only be 6.
Progress is saved in this browser automatically. Use the keyboard: arrows to move, 1–9 to fill, N for notes, H for a hint.