Are there any cakes or plates that are square?
Yes, the plate is square.
    src        edge_attr  dst
0     0  to the right of    5
1     0  to the right of    4
2     0   to the left of    8
3     0   to the left of    7
4     1   to the left of    8
5     1   to the left of    7
6     1   to the left of   10
7     1   to the left of    9
8     2   to the left of    8
9     2   to the left of    6
10    2  to the right of    5
11    2  to the right of    4
12    3   to the left of   10
13    3   to the left of    9
14    4   to the left of    2
15    4   to the left of    0
16    4   to the left of    8
17    4   to the left of    6
18    5   to the left of    2
19    5               in    4
20    5   to the left of    0
21    5   to the left of    6
22    5   to the left of    8
23    6  to the right of    2
24    6  to the right of    4
25    6  to the right of    5
26    6   to the left of    7
27    7  to the right of    6
28    7  to the right of    0
29    7  to the right of    1
30    8  to the right of    5
31    8  to the right of    0
32    8  to the right of    2
33    8  to the right of    1
34    8  to the right of    4
35    9  to the right of    3
36    9  to the right of    1
37   10               in    9
38   10  to the right of    3
39   10  to the right of    1