Is there any grass that is short?
Yes, there is grass that is short.
   src        edge_attr  dst
0    0  to the right of    9
1    2   to the left of   10
2    3   to the left of    8
3    5  to the right of   12
4    6  to the right of   12
5    8  to the right of    3
6    9   to the left of    0
7   10  to the right of    2
8   12   to the left of    6
9   12   to the left of    5