msd_trib
0 1
0 -> 0
1 -> 1
1 3
0 -> 2
1 -> 3
2 3
0 -> 4
1 -> 5
3 4
0 -> 6
1 -> 7
4 3
0 -> 8
1 -> 9
5 4
0 -> 10
1 -> 11
6 4
0 -> 12
1 -> 5
7 -1
0 -> 7
1 -> 7
8 4
0 -> 6
1 -> 13
9 3
0 -> 14
1 -> 15
10 4
0 -> 16
1 -> 5
11 4
0 -> 17
1 -> 7
12 4
0 -> 18
1 -> 19
13 4
0 -> 6
1 -> 3
14 3
0 -> 4
1 -> 20
15 4
0 -> 21
1 -> 7
16 4
0 -> 22
1 -> 23
17 4
0 -> 12
1 -> 20
18 4
0 -> 21
1 -> 24
19 4
0 -> 17
1 -> 15
20 4
0 -> 10
1 -> 25
21 5
0 -> 26
1 -> 27
22 5
0 -> 28
1 -> 19
23 4
0 -> 29
1 -> 15
24 5
0 -> 28
1 -> 11
25 4
0 -> 30
1 -> 7
26 5
0 -> 31
1 -> 19
27 4
0 -> 29
1 -> 32
28 5
0 -> 33
1 -> 5
29 4
0 -> 16
1 -> 20
30 4
0 -> 34
1 -> 35
31 5
0 -> 36
1 -> 24
32 4
0 -> 37
1 -> 7
33 5
0 -> 38
1 -> 39
34 4
0 -> 18
1 -> 40
35 5
0 -> 41
1 -> 42
36 5
0 -> 43
1 -> 27
37 5
0 -> 26
1 -> 44
38 5
0 -> 45
1 -> 46
39 5
0 -> 47
1 -> 15
40 4
0 -> 30
1 -> 48
41 5
0 -> 49
1 -> 50
42 5
0 -> 51
1 -> 7
43 6
0 -> 52
1 -> 19
44 4
0 -> 29
1 -> 53
45 6
0 -> 54
1 -> 27
46 5
0 -> 47
1 -> 32
47 5
0 -> 33
1 -> 20
48 5
0 -> 36
1 -> 7
49 4
0 -> 22
1 -> 55
50 5
0 -> 31
1 -> 11
51 4
0 -> 34
1 -> 56
52 6
0 -> 57
1 -> 24
53 4
0 -> 58
1 -> 7
54 6
0 -> 59
1 -> 39
55 4
0 -> 60
1 -> 61
56 5
0 -> 41
1 -> 62
57 6
0 -> 63
1 -> 46
58 5
0 -> 64
1 -> 65
59 6
0 -> 66
1 -> 46
60 4
0 -> 49
1 -> 67
61 5
0 -> 68
1 -> 7
62 5
0 -> 69
1 -> 7
63 6
0 -> 70
1 -> 46
64 5
0 -> 31
1 -> 40
65 5
0 -> 71
1 -> 72
66 6
0 -> 73
1 -> 27
67 5
0 -> 31
1 -> 25
68 5
0 -> 26
1 -> 74
69 4
0 -> 34
1 -> 65
70 7
0 -> 70
1 -> 46
71 5
0 -> 49
1 -> 67
72 5
0 -> 58
1 -> 7
73 7
0 -> 70
1 -> 39
74 4
0 -> 60
1 -> 75
75 5
0 -> 76
1 -> 7
76 5
0 -> 26
1 -> 77
77 4
0 -> 60
1 -> 72