20 6 1
2 4 1
1 4 3
0 3 4
7 3 0
1 3 4
7 2 0
2 2 0
0 2 1
3 1 0
0 1 1
1 1 0
2 1 0
13 0 0
0 0 1
0 0 0
1 0 0