Is this a truck or a bus?
This is a truck.
    src        edge_attr  dst
0     0  to the right of   10
1     0   to the left of    9
2     1  to the right of   18
3     1  to the right of   17
4     1      in front of    9
..  ...              ...  ...
59   21  to the right of   16
60   21  to the right of   11
61   21  to the right of    3
62   22   to the left of    6
63   22   to the left of   21

[64 rows x 3 columns]