
6 4 7  9 1 5  3 8 2
3 9 5  2 8 4  7 6 1
0 2 0  3 0 0  5 4 9

0 0 0  0 3 0  0 0 6
0 0 0  5 0 1  0 0 0
9 0 0  0 4 0  0 0 0

0 8 6  0 5 0  0 2 3
5 0 2  6 0 3  0 0 0
0 3 9  0 2 0  6 7 5

xYwing piv@(5,5) (5,2) (8,5)
note: must reduce before Ywing appears but
then after 7 in (8,2) is removed, flushes will solve.
