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

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