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

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