Is it an indoors scene?
Yes, it is indoors.
    src        edge_attr  dst
0     0  to the right of    7
1     0  to the right of   17
2     0  to the right of   20
3     1  to the right of   20
4     2   to the left of   20
5     2   to the left of   17
6     2   to the left of    7
7     4  to the right of    8
8     4   to the left of   16
9     4   to the left of    9
10    5   to the left of   17
11    5   to the left of    7
12    5   to the left of   20
13    6  to the right of   20
14    7   to the left of    0
15    7  to the right of    5
16    7  to the right of    2
17    7   to the left of   11
18    7   to the left of   10
19    7  to the right of    8
20    8   to the left of    7
21    8   to the left of   18
22    8   to the left of    4
23    8   to the left of   20
24    9  to the right of   19
25    9  to the right of    4
26   10  to the right of    7
27   10   to the left of   21
28   11  to the right of   17
29   11  to the right of   20
30   11  to the right of    7
31   12   to the left of   15
32   15  to the right of   12
33   16  to the right of   19
34   16  to the right of    4
35   17  to the right of    5
36   17  to the right of    2
37   17   to the left of   11
38   17   to the left of    0
39   18  to the right of    8
40   19   to the left of   16
41   19   to the left of    9
42   20   to the left of   11
43   20   to the left of   21
44   20   to the left of    0
45   20  to the right of    5
46   20  to the right of    2
47   20  to the right of    8
48   20   to the left of    6
49   20   to the left of    1
50   21  to the right of   10
51   21  to the right of   20