On which side is the bucket, the left or the right?
The bucket is on the left of the image.
    src        edge_attr  dst
0     0  to the right of   15
1     1   to the left of   15
2     1  to the right of    2
3     1          holding    3
4     1   to the left of   10
..  ...              ...  ...
67   18   to the left of    4
68   19   to the left of   10
69   19  to the right of    2
70   19  to the right of   17
71   19   to the left of    8

[72 rows x 3 columns]