How the animal that is lying is called?
The animal is an elephant.
    src        edge_attr  dst
0     0  to the right of    2
1     0  to the right of   12
2     0  to the right of    3
3     0  to the right of   19
4     1   to the left of   16
..  ...              ...  ...
61   19   to the left of    8
62   19   to the left of    0
63   20   to the left of    5
64   20   to the left of    7
65   20   to the left of   14

[66 rows x 3 columns]