On which side is the green curtain?
The curtain is on the left of the image.
    src        edge_attr  dst
0     0  to the right of    8
1     0  to the right of    7
2     1   to the left of   18
3     1  to the right of    8
4     1  to the right of    7
..  ...              ...  ...
77   17   to the left of   10
78   17  to the right of    8
79   18  to the right of    7
80   18  to the right of    8
81   18  to the right of    1

[82 rows x 3 columns]