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

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