8 19 6
1 1 1 1 1 2 4 4 1 2 3 2 5 6 4 4 5 1 3
0 1 0 4 0 1 0 0
0 0 0 0 0 0 0 5
0 0 2 0 0 0 4 3
0 0 0 0 4 0 0 0
0 0 0 0 0 0 0 0
0 0 0 2 0 0 0 3
0 0 5 0 0 4 0 0
0 6 0 0 0 0 2 0
