Which place is it?
It is a station.
    src        edge_attr  dst
0     1   to the left of   11
1     1   to the left of   12
2     1   to the left of   14
3     1  to the right of   15
4     1  to the right of    2
..  ...              ...  ...
60   14   to the left of   12
61   15   to the left of   10
62   15   to the left of    1
63   15   to the left of    2
64   15   to the left of   13

[65 rows x 3 columns]