Which place is it?
It is a station.
     src        edge_attr  dst
0      0   to the left of   12
1      0   to the left of   13
2      0   to the left of   38
3      0   to the left of   18
4      0   to the left of   16
..   ...              ...  ...
364   49  to the right of   20
365   49  to the right of   22
366   50   to the left of   45
367   50   to the left of   21
368   50   to the left of   39

[369 rows x 3 columns]