Which place is it?
It is a path.
     src        edge_attr  dst
0      0  to the right of    4
1      0   to the left of   21
2      0  to the right of   20
3      0   to the left of   17
4      0   to the left of    6
..   ...              ...  ...
238   33  to the right of   22
239   33   to the left of   21
240   33  to the right of   28
241   33  to the right of   18
242   33               on   32

[243 rows x 3 columns]