Are the curtains on the left or on the right of the photo?
The curtains are on the right of the image.
    src        edge_attr  dst
0     0   to the left of   12
1     0   to the left of   11
2     1  to the right of    5
3     1  to the right of   10
4     2  to the right of    4
..  ...              ...  ...
72   16   to the left of    7
73   16   to the left of    8
74   16   to the left of   10
75   17           behind    8
76   18           behind    8

[77 rows x 3 columns]