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