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

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

5 0 0  0 0 0  0 0 9
0 0 4  0 3 9  0 5 0
0 0 1  4 2 0  0 0 0

hard 6may23
