What height is the grass?
The grass is short.
    src        edge_attr  dst
0     0  to the right of   19
1     1   to the left of   18
2     1   to the left of   15
3     1   to the left of   10
4     1   to the left of    9
..  ...              ...  ...
57   19          holding   14
58   19   to the left of    0
59   20  to the right of   22
60   22   to the left of   20
61   22  to the right of    3

[62 rows x 3 columns]