1 2 s35 
1 12 cWW 
2 11 cWW 
2 12 s55 
3 4 cWW 
3 11 s55 
5 6 perp 
5 10 s33 
6 7 cWW 
7 8 s35 
8 9 cWW 
9 10 s33 
11 12 s35 
