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