1 2 s35 
1 13 cWW 
2 3 s35 
2 12 cWW 
2 13 s55 
3 4 s35 
4 5 perp 
5 6 perp 
6 7 perp 
6 10 s55 
7 8 s55 
8 9 cWW 
10 11 s35 
11 12 s35 
12 13 s35 
6 5 7BR
