Where is the drain?
The drain is on the floor.
    src        edge_attr  dst
0     0  to the right of    7
1     0   to the left of   14
2     0   to the left of    3
3     0  to the right of    2
4     0   to the left of    5
..  ...              ...  ...
69   21   to the left of    9
70   21   to the left of    8
71   22  to the right of    1
72   22  to the right of   21
73   23               on   11

[74 rows x 3 columns]