3
8
1
8
3
6
4
7
8
3
4
9
6
4
8
7
3
3
1
2
9
8
4
4
9
8
6
9
7
Time 00:00
Mistakes 0
Ready
Expert Sudoku #125
XY-Wings, forced chains and positions that punish impatience.
| Difficulty | Expert |
| Clues given | 29 of 81 |
| Technique score | 83.2 |
| Rated techniques | 5 |
Techniques this puzzle needs
Where to start
The first move on this board is a Hidden Single: In this row 1, 4 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.