3
0 0 6 0
0 2 3 2
2 -1 4 1
5
2 -1 3 0
0 0 3 0
0 2 3 2
3 0 4 1
3 0 6 0
7
0 0
0 2
2 -1
3 0
3 2
4 1
6 0
1
3 0
# No. of faces: 1
5
2 -1 3 0
0 0 3 0
0 2 3 2
3 0 4 1
3 0 6 0
