Do you see both doors and windows?
Yes, there are both a window and a door.
    src        edge_attr  dst
0     0  to the right of   13
1     1   to the left of   21
2     1   to the left of   12
3     2   to the left of    4
4     3   to the left of    6
..  ...              ...  ...
77   24  to the right of   19
78   25  to the right of   26
79   25  to the right of   19
80   26   to the left of   25
81   26  to the right of   19

[82 rows x 3 columns]