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