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

0 0 0  0 0 9  5 0 0
0 0 3  0 8 0  0 0 1
0 0 0  3 0 0  0 6 0

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

weekly unsolvable #550
