How large are the windows?
The windows are tiny.
    src        edge_attr  dst
0     0   to the left of   19
1     0   to the left of    1
2     0   to the left of   15
3     1  to the right of    6
4     1  to the right of   10
..  ...              ...  ...
69   19   to the left of   15
70   19  to the right of   14
71   19  to the right of   17
72   19   to the left of   16
73   19  to the right of    0

[74 rows x 3 columns]