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