1 1 2 0 0 0 0 
2 1 3 0 0 0 0 
3 2 3 4 0 0 0 
3 1 4 0 0 0 0 
4 1 5 0 0 0 0 
5 3 6 2 7 0 0 
6 3 8 2 9 0 0 
8 5 10 11 12 11 13 
8 5 10 11 14 11 13 
5 3 8 2 7 0 0 
5 3 15 2 7 0 0 
15 3 16 17 11 0 0 
5 3 18 17 11 0 0 
5 2 19 11 0 0 0 
5 3 20 2 7 0 0 
20 2 21 11 0 0 0 
5 2 22 11 0 0 0 
5 4 22 11 23 11 0 
5 3 24 2 7 0 0 
24 2 25 11 0 0 0 
5 4 25 11 23 11 0 
11 1 26 0 0 0 0 
26 3 17 27 28 0 0 
26 3 17 27 29 0 0 
26 1 28 0 0 0 0 
26 1 17 0 0 0 0 
28 2 30 31 0 0 0 
30 2 31 32 0 0 0 
17 1 32 0 0 0 0 
26 1 33 0 0 0 0 
33 1 34 0 0 0 0 
33 1 35 0 0 0 0 