3
1
5
6
2
7
6
1
7
5
2
6
9
1
1
2
7
8
3
5
5
7
4
2
3
7
4
8
Time 00:00
Mistakes 0
Ready
Expert Sudoku #29
XY-Wings, forced chains and positions that punish impatience.
| Difficulty | Expert |
| Clues given | 28 of 81 |
| Technique score | 40 |
| Rated techniques | 4 |
Techniques this puzzle needs
Where to start
The first move on this board is a Hidden Single: In this row 2, 5 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.