msd_trib
0 0
0 -> 0
1 -> 1
1 1
0 -> 2
1 -> 3
2 2
0 -> 4
1 -> 5
3 3
0 -> 6
1 -> 7
4 4
0 -> 8
1 -> 9
5 5
0 -> 10
1 -> 11
6 6
0 -> 12
1 -> 5
7 -1 
0 -> 7
1 -> 7
8 3
0 -> 6
1 -> 13
9 1
0 -> 14
1 -> 15
10 9
0 -> 16
1 -> 5
11 3
0 -> 17
1 -> 7
12 11
0 -> 18
1 -> 19
13 3
0 -> 6
1 -> 3
14 2
0 -> 4
1 -> 20
15 3
0 -> 21
1 -> 7
16 17
0 -> 22
1 -> 23
17 6
0 -> 12
1 -> 20
18 3
0 -> 21
1 -> 24
19 3
0 -> 17
1 -> 15
20 5
0 -> 10
1 -> 25
21 30
0 -> 26
1 -> 27
22 31
0 -> 28
1 -> 19
23 5
0 -> 29
1 -> 15
24 31
0 -> 28
1 -> 11
25 3
0 -> 30
1 -> 7
26 55
0 -> 31
1 -> 19
27 5
0 -> 29
1 -> 32
28 57
0 -> 33
1 -> 5
29 9
0 -> 16
1 -> 20
30 6
0 -> 34
1 -> 35
31 101
0 -> 36
1 -> 24
32 3
0 -> 37
1 -> 7
33 105
0 -> 38
1 -> 39
34 11
0 -> 18
1 -> 40
35 185
0 -> 41
1 -> 42
36 30
0 -> 43
1 -> 27
37 30
0 -> 26
1 -> 44
38 31
0 -> 45
1 -> 46
39 31
0 -> 47
1 -> 15
40 3
0 -> 30
1 -> 48
41 340
0 -> 49
1 -> 50
42 341
0 -> 51
1 -> 7
43 342
0 -> 52
1 -> 19
44 5
0 -> 29
1 -> 53
45 355
0 -> 54
1 -> 27
46 31
0 -> 47
1 -> 32
47 57
0 -> 33
1 -> 20
48 101
0 -> 36
1 -> 7
49 17
0 -> 22
1 -> 55
50 55
0 -> 31
1 -> 11
51 6
0 -> 34
1 -> 56
52 629
0 -> 57
1 -> 24
53 3
0 -> 58
1 -> 7
54 653
0 -> 59
1 -> 39
55 5
0 -> 60
1 -> 61
56 185
0 -> 41
1 -> 62
57 1157
0 -> 63
1 -> 46
58 30
0 -> 64
1 -> 65
59 1201
0 -> 66
1 -> 46
60 9
0 -> 49
1 -> 67
61 341
0 -> 68
1 -> 7
62 341
0 -> 69
1 -> 7
63 342
0 -> 70
1 -> 46
64 55
0 -> 31
1 -> 40
65 185
0 -> 71
1 -> 72
66 355
0 -> 73
1 -> 27
67 55
0 -> 31
1 -> 25
68 30
0 -> 26
1 -> 74
69 6
0 -> 34
1 -> 65
70 3914
0 -> 70
1 -> 46
71 340
0 -> 49
1 -> 67
72 341
0 -> 58
1 -> 7
73 3914
0 -> 70
1 -> 39
74 5
0 -> 60
1 -> 75
75 341
0 -> 76
1 -> 7
76 30
0 -> 26
1 -> 77
77 5
0 -> 60
1 -> 72