What animal is this, a giraffe or an elephant?
This is an elephant.
    src        edge_attr  dst
0     0  to the right of   22
1     0  to the right of    7
2     0  to the right of    4
3     0   to the left of   21
4     0   to the left of   10
..  ...              ...  ...
68   21  to the right of    0
69   22   to the left of    2
70   22   to the left of    9
71   22   to the left of    0
72   22   to the left of   10

[73 rows x 3 columns]