Where is the small ladder, on the right or on the left of the picture?
The ladder is on the right of the image.
    src        edge_attr  dst
0     0   to the left of    4
1     1  to the right of    5
2     1  to the right of    8
3     2   to the left of   10
4     2  to the right of    8
..  ...              ...  ...
71   18  to the right of   15
72   18  to the right of    5
73   18  to the right of    2
74   18  to the right of    3
75   19   to the left of   14

[76 rows x 3 columns]