1 8
8 20 -20 0
10 10 -10 0
11 20 0 0
9 11 0 0
1 0 1 2
2 5 -5 2
3 5 -1 2
2 6
8 20 -20 0
10 10 -10 0
11 20 0 0
6 10 10 0
9 11 0 0
1 0 0 2
2 5 -5 2
6 10 0 1
3 5 -1 2
5 20 -10 1
0 0

