Does the jar of honey look empty?
No, the jar is full.
    src        edge_attr  dst
0     0   to the left of   15
1     0   to the left of   11
2     0  to the right of    9
3     1   to the left of    7
4     1   to the left of   15
..  ...              ...  ...
64   15  to the right of    7
65   15  to the right of    4
66   15  to the right of    1
67   15  to the right of    0
68   15               of   11

[69 rows x 3 columns]