Do you see any bookshelves to the left of the girls on the right side of the image?
Yes, there is a bookshelf to the left of the girls.
    src        edge_attr  dst
0     0   to the left of   13
1     0   to the left of    1
2     1  to the right of    0
3     1   to the left of   13
4     2               of    6
..  ...              ...  ...
61   17   to the left of   13
62   17  to the right of   15
63   18  to the right of   15
64   18   to the left of    8
65   18  to the right of   12

[66 rows x 3 columns]