Do you see any dark grass or mud?
No, there is grass but it is light.
    src        edge_attr  dst
0     0               of    3
1     0  to the right of    9
2     0  to the right of    4
3     0  to the right of    3
4     0  to the right of    8
5     0  to the right of    7
6     1  to the right of    3
7     2  to the right of    9
8     2  to the right of    4
9     2  to the right of    3
10    2  to the right of    8
11    2  to the right of    7
12    3   to the left of    0
13    3   to the left of    2
14    3   to the left of    1
15    3   to the left of   11
16    4               of    3
17    4   to the left of    2
18    4   to the left of    0
19    4  to the right of    5
20    4   to the left of   11
21    5   to the left of    4
22    5   to the left of    7
23    5               of    3
24    5   to the left of   11
25    5   to the left of    9
26    6               of    3
27    7   to the left of    0
28    7   to the left of    2
29    7  to the right of    5
30    7   to the left of   11
31    7               of    3
32    8   to the left of    2
33    8               of    3
34    8   to the left of    0
35    8   to the left of   11
36    9  to the right of    5
37    9   to the left of    2
38    9   to the left of    0
39    9               of    3
40   11  to the right of    3
41   11  to the right of    8
42   11  to the right of    7
43   11  to the right of    5
44   11  to the right of    4
45   11               of    1