Are there any crackers or forks?
No, there are no forks or crackers.
    src        edge_attr  dst
0     0   to the left of    5
1     0   to the left of    4
2     0  to the right of   10
3     0   to the left of   11
4     0   to the left of    6
..  ...              ...  ...
64   15   to the left of    3
65   15   to the left of    8
66   15   to the left of   11
67   15   to the left of    2
68   15   to the left of   12

[69 rows x 3 columns]