Is this a horse or a cow?
This is a cow.
    src        edge_attr  dst
0     0   to the left of    6
1     0          tied to    1
2     0   to the left of    2
3     1   to the left of    6
4     1   to the left of    2
..  ...              ...  ...
57   18   to the left of   16
58   18   to the left of   12
59   19  to the right of    2
60   19   to the left of   15
61   19  to the right of   13

[62 rows x 3 columns]