2
7
9
5
8
6
3
9
6
1
8
4
9
3
8
9
2
7
1
5
8
1
7
3
Time 00:00
Mistakes 0
Ready
Expert Sudoku #59
XY-Wings, forced chains and positions that punish impatience.
| Difficulty | Expert |
| Clues given | 24 of 81 |
| Technique score | 91.5 |
| Rated techniques | 6 |
Techniques this puzzle needs
Where to start
The first move on this board is a Hidden Single: In this row 8, 1 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.