Which place is it?
It is a road.
    src        edge_attr  dst
0     3  to the right of   16
1     3  to the right of   12
2     3  to the right of   25
3     4  to the right of   15
4     6   to the left of   21
..  ...              ...  ...
79   30  to the right of   25
80   30  to the right of    8
81   31   to the left of   13
82   31   to the left of   25
83   31   to the left of   28

[84 rows x 3 columns]