What is in the bathtub?
The dirt is in the bathtub.
    src        edge_attr  dst
0     0  to the right of   13
1     0  to the right of   23
2     2  to the right of   23
3     4   to the left of    9
4     4   to the left of    8
..  ...              ...  ...
88   22  to the right of   11
89   22  to the right of   18
90   23   to the left of    0
91   23   to the left of    5
92   23   to the left of    2

[93 rows x 3 columns]