Is the grass behind a bench?
No, the grass is behind the horse.
    src        edge_attr  dst
0     0  to the right of    8
1     0   to the left of    1
2     0   to the left of    2
3     0  to the right of    3
4     0   to the left of   14
..  ...              ...  ...
76   17  to the right of    6
77   18               of   12
78   18  to the right of    6
79   18  to the right of    9
80   19   to the left of   11

[81 rows x 3 columns]