On which side are the curtains?
The curtains are on the right of the image.
    src        edge_attr  dst
0     0  to the right of   16
1     0  to the right of   11
2     2   to the left of   17
3     2   to the left of   12
4     2  to the right of   10
..  ...              ...  ...
76   19   to the left of   16
77   19   to the left of   11
78   19   to the left of   12
79   20  to the right of   11
80   20  to the right of   15

[81 rows x 3 columns]