Is this a goat or a horse?
This is a horse.
    src        edge_attr  dst
0     0  to the right of    6
1     0  to the right of    1
2     1   to the left of   10
3     1   to the left of    0
4     1  to the right of   12
5     1  to the right of    9
6     3   to the left of    4
7     4   to the left of   11
8     4  to the right of   13
9     4  to the right of    6
10    4  to the right of    8
11    4  to the right of    3
12    6   to the left of    0
13    6  to the right of   16
14    6   to the left of   11
15    6   to the left of   10
16    6   to the left of    4
17    7  to the right of   12
18    8   to the left of   11
19    8   to the left of    4
20    9  to the right of   12
21    9   to the left of    1
22   10  to the right of    1
23   10  to the right of    6
24   11  to the right of   15
25   11  to the right of    4
26   11  to the right of   13
27   11  to the right of    6
28   11  to the right of    8
29   12   to the left of    7
30   12   to the left of    9
31   12   to the left of    1
32   13   to the left of   11
33   13   to the left of    4
34   15   to the left of   11
35   16   to the left of    6