Do you see a window or a chair in this photo?
No, there are no chairs or windows.
    src        edge_attr  dst
0     0  to the right of   18
1     0  to the right of   10
2     1   to the left of   15
3     1   to the left of    8
4     2   to the left of   20
..  ...              ...  ...
57   20  to the right of   17
58   20  to the right of   15
59   21  to the right of    3
60   21   to the left of   17
61   21  to the right of    8

[62 rows x 3 columns]