Is it an indoors scene?
Yes, it is indoors.
    src        edge_attr  dst
0     0   to the left of    7
1     0   to the left of    2
2     0   to the left of   20
3     0  to the right of    4
4     1   to the left of    9
5     1   to the left of    6
6     1  to the right of    5
7     2  to the right of    7
8     2  to the right of   12
9     2  to the right of    0
10    2  to the right of    5
11    2  to the right of    8
12    3  to the right of    9
13    4   to the left of    0
14    4   to the left of    7
15    4   to the left of    8
16    4   to the left of   20
17    5   to the left of    2
18    5   to the left of    1
19    5   to the left of   20
20    5   to the left of   11
21    6  to the right of   11
22    6  to the right of   12
23    6  to the right of    1
24    6  to the right of   20
25    7   to the left of    2
26    7  to the right of    4
27    7  to the right of    0
28    7  to the right of    8
29    8  to the right of    4
30    8   to the left of    2
31    8   to the left of    7
32    8   to the left of   20
33    8               of    0
34    9  to the right of    1
35    9   to the left of    3
36    9  to the right of   11
37    9  to the right of   20
38   10  to the right of   13
39   10  to the right of   12
40   11   to the left of    9
41   11   to the left of    6
42   11  to the right of    5
43   12   to the left of    2
44   12   to the left of    6
45   12   to the left of   10
46   13   to the left of   10
47   14  to the right of   18
48   14  to the right of   19
49   18   to the left of   14
50   18  to the right of   19
51   19   to the left of   14
52   19   to the left of   18
53   20   to the left of    9
54   20   to the left of    6
55   20  to the right of    4
56   20  to the right of    0
57   20  to the right of    8
58   20  to the right of    5