Are there both grass and mud in the picture?
No, there is grass but no mud.
    src        edge_attr  dst
0     0   to the left of    2
1     0  to the right of    1
2     1   to the left of    4
3     1   to the left of    0
4     2  to the right of    3
5     2  to the right of    0
6     3  to the right of    5
7     3   to the left of    2
8     4  to the right of    5
9     4  to the right of    1
10    5   to the left of    4
11    5   to the left of    3