What is on the closed window?
The blinds are on the window.
    src        edge_attr  dst
0     0  to the right of    4
1     0   to the left of    5
2     0   to the left of   15
3     0  to the right of    7
4     0  to the right of   11
5     0  to the right of   10
6     0  to the right of   12
7     0   to the left of   13
8     0  to the right of    6
9     0   to the left of    2
10    0  to the right of    8
11    1               in    3
12    2  to the right of   15
13    2  to the right of    0
14    4   to the left of    0
15    4   to the left of   11
16    5  to the right of    0
17    5  to the right of   15
18    6   to the left of   11
19    6   to the left of    0
20    7               on    9
21    7   to the left of    0
22    7   to the left of   11
23    8   to the left of    0
24    8   to the left of   11
25    8               on   12
26    9   to the left of   14
27   10   to the left of   11
28   10   to the left of    0
29   11   to the left of    0
30   11  to the right of    4
31   11  to the right of   12
32   11  to the right of    8
33   11  to the right of    6
34   11  to the right of   10
35   11  to the right of    7
36   12   to the left of   11
37   12   to the left of    0
38   13  to the right of    0
39   14               in    3
40   14  to the right of    9
41   15  to the right of    0
42   15   to the left of    5
43   15   to the left of    2