8
2
6
4
3
2
7
1
9
5
6
4
9
6
3
1
9
5
6
1
7
8
4
1
8
7
Time 00:00
Mistakes 0
Ready
Expert Sudoku #11
XY-Wings, forced chains and positions that punish impatience.
| Difficulty | Expert |
| Clues given | 26 of 81 |
| Technique score | 48.4 |
| Rated techniques | 4 |
Techniques this puzzle needs
Where to start
The first move on this board is a Locked Candidates: In this box, 8 can only appear in one column 6. That removes 8 from the rest of that column 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.