Are there any skateboards?
No, there are no skateboards.
    src        edge_attr  dst
0     0   to the left of   13
1     0   to the left of    6
2     0   to the left of    7
3     0               in    9
4     0   to the left of   17
..  ...              ...  ...
67   17  to the right of    1
68   17  to the right of    2
69   17  to the right of    3
70   17  to the right of   11
71   17  to the right of   10

[72 rows x 3 columns]