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