Is there any food?
Yes, there is food.
    src        edge_attr  dst
0     0  to the right of   12
1     0  to the right of   19
2     0  to the right of   15
3     1   to the left of    2
4     1   to the left of   18
..  ...              ...  ...
62   21   to the left of   18
63   21   to the left of   10
64   21   to the left of   22
65   22  to the right of   21
66   22   to the left of    6

[67 rows x 3 columns]