7
6
8
9
9
3
7
3
5
2
8
1
2
6
6
1
9
4
8
5
7
5
4
2
6
1
8
7
5
2
Time 00:00
Mistakes 0
Ready
Expert Sudoku #65
XY-Wings, forced chains and positions that punish impatience.
| Difficulty | Expert |
| Clues given | 30 of 81 |
| Technique score | 22.3 |
| Rated techniques | 3 |
Techniques this puzzle needs
Where to start
The first move on this board is a Hidden Single: In this row 3, 7 can only go in one cell, so it must go there.
Progress is saved in this browser automatically. Use the keyboard: arrows to move, 1–9 to fill, N for notes, H for a hint.