8 18 12
0 -1.63299 -1.5 A
-1.63299 0 -1.5 B
0 1.63299 -1.5 C
1.63299 0 -1.5 D
0 -1.63299 1.1547 E
-1.63299 0 1.1547 F
0 1.63299 1.1547 G
1.63299 0 1.1547 H
3 1 CA
2 1 BA
6 1 FA
2 6 BF
2 7 BG
3 2 CB
3 7 CG
3 8 CH
4 3 DC
4 8 DH
5 1 EA
4 5 DE
1 4 AD
6 5 FE
7 6 GF
5 8 EH
7 5 GE
8 7 HG
9 13 1 ACD
6 1 2 CBA
4 2 3 ABE
14 3 11 FAE
4 15 5 BFG
6 5 7 BCG
7 18 8 CGH
9 8 10 CHD
10 16 12 DHE
13 12 11 EAD
15 14 17 GFE
18 17 16 HGE