8 18 4
0 -1.63299 -1.1547 A
-1.63299 0 -1.1547 D
0 1.63299 -1.1547 C
1.63299 0 -1.1547 B
0 -1.63299 1.1547 F
-1.63299 0 1.1547 E
0 1.63299 1.1547
1.63299 0 1.1547
3 1 CA
2 1 DA
6 1 EA
2 6 DE
2 7
3 2 CD
3 7
3 8
4 3 BC
4 8
5 1 FA
4 5 BF
1 4 AB
6 5 EF
7 6
5 8
7 5
8 7
9 13 1 ABC
6 1 2 ACD
4 2 3 ADE
14 3 11 EAF