2
0
2 5 0
0 1 2 3
0 2 3 4
0 -1 2 4
0 -1 3 4
2 3 4 -1
0 0
0 1
1 0
1 1
1 2
0.0 0.0 0.0
1.0 0.0 0.0
1.0 1.0 0.0
1.0 0.0 1.0
0.0 1.0 1.0
1
3 5 0
0 1 2 5
0 3 4 5
2 4 5 6
0 -1 2 4
0 2 4 5
1 0
1 1
1 2
0 0
0 1
0.0 0.0 0.0
0.0 1.0 0.0
1.0 1.0 0.0
0.0 0.0 1.0
1.0 0.0 1.0
0.0 1.0 1.0
1.0 1.0 1.0
