Is the color of the box different than the color of the plate?
No, both the box and the plate are white.
    src        edge_attr  dst
0     0          full of    7
1     0  to the right of    3
2     2               of    1
3     3   to the left of    7
4     3   to the left of    6
5     3  to the right of    4
6     3   to the left of    0
7     4   to the left of    3
8     5               on   11
9     5  to the right of   10
10    6   to the left of    7
11    6  to the right of    3
12    6               on   13
13    7               in    0
14    7  to the right of    3
15    7  to the right of    6
16    8               on   11
17    8   to the left of   12
18    9               on   13
19   10               on   11
20   10   to the left of    5
21   12               on   13
22   12  to the right of    8