Is there any brown grass or mud?
No, there is grass but it is green.
    src        edge_attr  dst
0     1               on    4
1     1   to the left of    6
2     1   to the left of    5
3     2               on    4
4     2   to the left of    6
5     3   to the left of    6
6     5  to the right of    1
7     6  to the right of    2
8     6  to the right of    1
9     6               on    4
10    6  to the right of    3
11    8   on the side of    4