What do both the plate and the cutting board have in common?
The color, both the plate and the cutting board are white.
    src        edge_attr  dst
0     0  to the right of    9
1     0               on   13
2     0  to the right of   15
3     0  to the right of   10
4     1               of   17
5     1   to the left of    2
6     2  to the right of   17
7     2   to the left of   16
8     2   to the left of    7
9     2  to the right of    1
10    3  to the right of    6
11    3  to the right of    8
12    3  to the right of   15
13    3  to the right of   12
14    4   to the left of   11
15    4  to the right of    5
16    5   to the left of    6
17    5   to the left of   11
18    5   to the left of    4
19    5  to the right of   17
20    5   to the left of    8
21    6   to the left of    3
22    6  to the right of    5
23    7  to the right of    2
24    8  to the right of    5
25    8   to the left of    3
26    8   to the left of   11
27    9   to the left of   12
28    9   to the left of    0
29   10   to the left of    0
30   11  to the right of    5
31   11  to the right of    8
32   11  to the right of    4
33   11  to the right of   15
34   12   to the left of    3
35   12  to the right of    9
36   14   to the left of   15
37   15  to the right of   17
38   15  to the right of   14
39   15   to the left of    3
40   15   to the left of    0
41   15   to the left of   11
42   16  to the right of    2
43   17   to the left of    5
44   17   to the left of    2
45   17   to the left of   15