Which place is it?
It is a beach.
    src        edge_attr  dst
0     0   to the left of    6
1     0   to the left of    5
2     0   to the left of    9
3     0   to the left of   15
4     0  to the right of   12
..  ...              ...  ...
73   23  to the right of   24
74   23   to the left of    7
75   24   to the left of   23
76   24   to the left of    7
77   24  to the right of    0

[78 rows x 3 columns]