Is there any grass that is short?
Yes, there is grass that is short.
    src        edge_attr  dst
0     1               on   10
1     1  to the right of   10
2     5  to the right of   13
3     7   to the left of   11
4    10   to the left of    1
5    11  to the right of    7
6    11  to the right of   13
7    12  to the right of   13
8    13   to the left of   11
9    13   to the left of    5
10   13   to the left of   12