10 12
0 0 0 0 0 0 0 0 0 0 0 0
0 5 10 10 10 5 8 11 12 12 0 0
0 0 5 11 14 18 14 12 10 5 0 0
0 0 0 3 10 11 13 7 0 0 0 0
0 0 0 0 4 9 15 9 6 2 0 0
0 0 0 0 4 7 7 4 2 0 0 0
0 0 0 10 10 10 10 10 0 0 0 0
0 0 0 0 7 12 14 20 28 0 0 0
0 0 0 0 0 3 12 14 27 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0