Are these elephants or giraffes?
These are giraffes.
    src        edge_attr  dst
0     0   to the left of   19
1     0   to the left of    8
2     0   to the left of    2
3     0   to the left of   15
4     0   to the left of   22
..  ...              ...  ...
80   21   to the left of   19
81   21  to the right of    6
82   22   to the left of   15
83   22  to the right of    0
84   22  to the right of   13

[85 rows x 3 columns]