What is on the red wall?
The painting is on the wall.
    src        edge_attr  dst
0     0  to the right of    6
1     0   to the left of   11
2     0  to the right of    7
3     0   to the left of    4
4     0   to the left of   14
..  ...              ...  ...
66   16   to the left of    3
67   17  to the right of   14
68   18               on   12
69   18   to the left of   14
70   18  to the right of    8

[71 rows x 3 columns]