Is the plastic container full or empty?
The container is empty.
    src        edge_attr  dst
0     0   to the left of   18
1     0  to the right of    6
2     0   to the left of    2
3     1   to the left of    7
4     1   to the left of   13
..  ...              ...  ...
63   20   to the left of    3
64   20   to the left of   18
65   20   to the left of   16
66   20   to the left of    9
67   20   to the left of   19

[68 rows x 3 columns]