Is there a closed window or door?
No, there is a door but it is open.
    src        edge_attr  dst
0     0  to the right of    9
1     2  to the right of    3
2     2  to the right of   11
3     2  to the right of    9
4     3   to the left of    2
5     4   to the left of   12
6     5   to the left of   12
7     5   to the left of    6
8     6  to the right of    5
9     9   to the left of    2
10    9   to the left of    0
11   11   to the left of    2
12   12  to the right of    5
13   12  to the right of    4