4
4 3
1 2 1
0 0 2
3 3 3
2 1 0
5 3
3 0 0
3 2 0
3 3 0
3 5 0
3 6 0
7 6
6 0 0
6 1 0
6 2 0
6 3 0
7 0 0
7 1 0
7 3 0
10 7
0 0 0
0 0 2
0 2 0
0 2 2
1 1 1
2 0 0
2 0 2
2 2 0
2 2 2
3 1 1
