8 18 2
0 -1.63299 -1.5
-1.63299 0 -1.5
0 1.63299 -1.5
1.63299 0 -1.5
0 -1.63299 1.1547
-1.63299 0 1.1547
0 1.63299 1.1547
1.63299 0 1.1547
3 1
2 1
6 1
2 6
2 7
3 2
3 7
3 8
4 3
4 8
5 1
4 5
1 4
6 5
7 6
5 8
7 5
8 7
6 1 2
4 2 3
