Which color is the ground?
The ground is gray.
    src        edge_attr  dst
0     0               of   12
1     0   to the left of    3
2     0   to the left of    6
3     0   to the left of    5
4     2               on   10
5     2  to the right of    6
6     3   to the left of    5
7     3   to the left of    7
8     3   to the left of    9
9     3  to the right of    0
10    3   to the left of   11
11    4               on   10
12    4  to the right of    6
13    5   to the left of   10
14    5  to the right of    3
15    5  to the right of    0
16    5   to the left of    8
17    6   to the left of   11
18    6  to the right of    0
19    6   to the left of   13
20    6   to the left of    4
21    6   to the left of    2
22    6   to the left of   10
23    7   to the left of   10
24    7  to the right of    3
25    8  to the right of    9
26    8  to the right of    5
27    9               of    5
28    9   to the left of    8
29    9   to the left of   10
30    9  to the right of    3
31   10  to the right of    7
32   10  to the right of    6
33   10  to the right of    9
34   10  to the right of    5
35   10           behind   11
36   11  to the right of    3
37   11               in    6
38   11               by   10
39   11  to the right of    6
40   11      in front of   10
41   12           behind   14
42   13               on   10
43   13  to the right of    6