Do you see any wire fences or cages?
Yes, there is a wire fence.
    src        edge_attr  dst
0     0   to the left of   16
1     1   to the left of   22
2     1   to the left of   20
3     1   to the left of   12
4     2   to the left of    4
..  ...              ...  ...
72   22  to the right of    1
73   23  to the right of   12
74   23   to the left of   11
75   23   to the left of    4
76   24   to the left of   16

[77 rows x 3 columns]