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

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