Do you see round plates?
Yes, there is a round plate.
    src        edge_attr  dst
0     0  to the right of    8
1     0  to the right of    2
2     0   to the left of    5
3     1               on   12
4     2   to the left of    8
5     2   to the left of    0
6     3  to the right of   15
7     3  to the right of   10
8     3  to the right of   16
9     3               on   12
10    4  to the right of   10
11    4  to the right of   15
12    5  to the right of    8
13    5  to the right of    0
14    6  to the right of   17
15    8   to the left of    5
16    8  to the right of    2
17    8   to the left of    0
18    9               on   12
19    9               on   15
20   10               of   16
21   10  to the right of   17
22   10   to the left of    3
23   10   to the left of    4
24   10  to the right of   14
25   11               on   12
26   13  to the right of   17
27   14   to the left of   16
28   14   to the left of   10
29   15               on   12
30   15   to the left of    3
31   15   to the left of    4
32   16   to the left of    3
33   16  to the right of   14
34   17   to the left of   13
35   17   to the left of   10
36   17   to the left of    6