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