Which place is it?
It is a mall.
     src        edge_attr  dst
0      0  to the right of   11
1      0  to the right of   10
2      0  to the right of   21
3      0   to the left of   20
4      0   to the left of   14
..   ...              ...  ...
163   21   to the left of   18
164   21   to the left of    8
165   21  to the right of   10
166   21  to the right of   11
167   21   to the left of   19

[168 rows x 3 columns]