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