Which shape is the plate that the bread is on top of?
The plate is square.
    src        edge_attr  dst
0     1   to the left of    9
1     2        on top of    6
2     3        on top of    6
3     5        on top of    3
4     7        on top of    6
5     7  to the right of    8
6     7  to the right of    9
7     8   to the left of    7
8     9   to the left of    7
9     9  to the right of    1
10   10            under   12
11   10        on top of    3
12   10            below   12
13   11        on top of    3
14   12            above   10