Do you see both windows and doors there?
No, there are windows but no doors.
     src       edge_attr  dst
0      0  to the left of   22
1      0  to the left of    4
2      0  to the left of    2
3      0  to the left of    6
4      1  to the left of    3
..   ...             ...  ...
102   23  to the left of    2
103   23  to the left of    6
104   24  to the left of   21
105   24  to the left of    5
106   24  to the left of    3

[107 rows x 3 columns]