0 -> 5
4 -> 3
4 -> 2
4 -> 1
28 -> 27
28 -> 29
29 -> 26
31 -> 17
31,17 -> 30
31,30 -> 32
30,32 -> 19
19 -> 20
30 -> 15
31 -> 24
24 -> 23
34 -> 9
9 -> 10
34,9,10 -> 11
34 -> 7
34,7 -> 8
34 -> 33
34 -> 35
35 -> 6
