What is the striped zebra chewing?
The zebra is chewing the field.
    src        edge_attr  dst
0     0   to the left of    3
1     0   to the left of    1
2     0  to the right of    4
3     1   to the left of    6
4     1  to the right of    3
..  ...              ...  ...
59   19  to the right of    7
60   19   to the left of    2
61   20      in front of   16
62   20           behind   14
63   21   to the left of    7

[64 rows x 3 columns]