Find an Y-wing(1 / 3)
Click on three cells that form a Y-wing (or XY-wing).
If you are not sure how to look for a Y-wing then check the materials below or click on a "Hint" button.
6
4
7
9
1
5
3
8
2
3
9
5
2
8
4
7
6
1
2
3
5
4
9
3
6
5
1
9
4
8
6
5
2
3
5
2
6
3
3
9
2
8
6
7
5