Is there any grass?
Yes, there is grass.
    src        edge_attr  dst
0     0  to the right of    7
1     0               by    2
2     1   to the left of    2
3     1  to the right of    5
4     2  to the right of    4
5     2  to the right of    1
6     2  to the right of   10
7     2  to the right of    6
8     3  to the right of    7
9     3   to the left of    6
10    4  to the right of    5
11    4   to the left of    2
12    4   to the left of    9
13    5   to the left of    1
14    5   to the left of    6
15    5   to the left of    4
16    5   to the left of    8
17    6  to the right of    7
18    6   to the left of    8
19    6   to the left of    9
20    6   to the left of   10
21    6   to the left of    2
22    6  to the right of    5
23    6  to the right of    3
24    7   to the left of    0
25    7   to the left of    3
26    7   to the left of    6
27    8  to the right of    5
28    8  to the right of    6
29    9  to the right of    6
30    9  to the right of    4
31   10  to the right of    6
32   10   to the left of    2