Are there both windows and doors?
No, there are doors but no windows.
    src        edge_attr  dst
0     1   to the left of    5
1     2   to the left of    3
2     2   to the left of    5
3     3  to the right of    2
4     3   to the left of    6
5     3   to the left of    8
6     3  to the right of    7
7     4   to the left of   11
8     5  to the right of    7
9     5  to the right of    9
10    5  to the right of    1
11    5  to the right of    2
12    6  to the right of    3
13    6   to the left of    8
14    7   to the left of    3
15    7   to the left of    5
16    8  to the right of    3
17    8  to the right of    9
18    8  to the right of    6
19    9   to the left of    8
20    9   to the left of    5
21   11  to the right of    4