Is that a small cow?
No, that is a large cow.
    src        edge_attr  dst
0     0   to the left of    4
1     0   to the left of    1
2     1  to the right of    3
3     1  to the right of   14
4     1  to the right of    0
5     2   to the left of   11
6     2   to the left of    5
7     2   to the left of    4
8     3   to the left of   11
9     3   to the left of    4
10    3   to the left of    1
11    4  to the right of   14
12    4  to the right of   13
13    4  to the right of    7
14    4  to the right of    0
15    4  to the right of    2
16    4  to the right of    9
17    4  to the right of    3
18    5  to the right of   14
19    5  to the right of   13
20    5  to the right of    7
21    5  to the right of    2
22    7   to the left of    4
23    7   to the left of    5
24    7   to the left of   11
25    9   to the left of    4
26    9   to the left of   11
27   11  to the right of    7
28   11  to the right of   14
29   11  to the right of    9
30   11  to the right of    3
31   11  to the right of    2
32   11  to the right of   13
33   13   to the left of    5
34   13   to the left of   11
35   13   to the left of    4
36   14   to the left of    5
37   14   to the left of   11
38   14   to the left of    4
39   14   to the left of    1