XYZ-Wing
A three-candidate pivot with two two-candidate cells beside it. Z goes from every cell all three of them see.
How it works on this board
Every pivot choice makes 2 true in one of the three cells
4
8
1
1
6
4
7
8
5
8
7
2
1
4
4
8
7
6
3
5
7
9
7
1
9
8
3
7
7
5
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