What is on the wall?
The picture is on the wall.
     src        edge_attr  dst
0      0   to the left of   32
1      0   to the left of   23
2      0  to the right of   38
3      0  to the right of   33
4      0  to the right of    9
..   ...              ...  ...
235   38  to the right of   34
236   38   to the left of    5
237   38  to the right of    9
238   38  to the right of   11
239   38   to the left of   20

[240 rows x 3 columns]