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