10 10
0 17 8 0 0 0 8 0 4 0
0 0 6 0 0 28 0 23 1 18
0 0 0 0 30 0 24 4 0 0
0 0 0 0 6 0 0 27 0 0
0 0 2 0 2 0 0 3 1 23
0 0 0 39 0 11 0 0 0 0
8 8 21 0 33 19 40 0 0 13
21 11 0 3 21 0 30 12 3 0
0 0 0 0 0 0 0 0 30 0
10 0 0 0 13 0 0 31 6 25