Do you see both doors and windows?
Yes, there are both a door and windows.
    src        edge_attr  dst
0     0   to the left of    5
1     0   to the left of    2
2     0   to the left of    6
3     1   to the left of    8
4     1  to the right of    7
5     1               of    0
6     2  to the right of    0
7     4  to the right of   12
8     5  to the right of   12
9     5  to the right of    0
10    6  to the right of    0
11    7   to the left of    8
12    7   to the left of    1
13    7               of    0
14    8  to the right of    1
15    8  to the right of    7
16   10   to the left of   11
17   11  to the right of   10
18   12               on    5
19   12   to the left of    5
20   12   to the left of    4