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

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