Which place is it?
It is a path.
     src        edge_attr  dst
0      1  to the right of   18
1      1  to the right of   17
2      1  to the right of   21
3      1  to the right of   20
4      1  to the right of   11
..   ...              ...  ...
169   32  to the right of    8
170   32  to the right of   10
171   32  to the right of    9
172   32  to the right of   14
173   32  to the right of   19

[174 rows x 3 columns]