Which side of the image is the white curtain on?
The curtain is on the left of the image.
    src        edge_attr  dst
0     0  to the right of   11
1     0  to the right of   17
2     0   to the left of    3
3     0  to the right of    6
4     0   to the left of    4
..  ...              ...  ...
82   17  to the right of   11
83   17  to the right of    6
84   17   to the left of    3
85   17   to the left of    4
86   17   to the left of    0

[87 rows x 3 columns]