What is on the wall?
The pots are on the wall.
     src        edge_attr  dst
0      0   to the left of    1
1      1  to the right of    0
2      1  to the right of   21
3      2  to the right of   21
4      3  to the right of   21
..   ...              ...  ...
102   24   to the left of   14
103   24   to the left of    5
104   24  to the right of    7
105   25   to the left of    5
106   25  to the right of   20

[107 rows x 3 columns]