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