1 15
4 2 9
1 2 3
4 4 1
1 1 1
4 3 10
1 2 3
4 2 10
1 2 3
2 3 0
1
2 2 8
1
2 4 10
1
3 3 0
1 2
3 2 0
1 1
2 2 0
1
2 4 9
1
4 2 0
1 1 1
2 4 1
1
4 4 8
1 1 1
3 3 0
1 2