Is the horse to the left or to the right of the carriage?
The horse is to the right of the carriage.
    src        edge_attr  dst
0     0  to the right of    1
1     0  to the right of   17
2     0  to the right of   13
3     0   to the left of    3
4     1  to the right of    9
..  ...              ...  ...
59   17   to the left of    4
60   17   to the left of    3
61   17   to the left of    0
62   17   to the left of   11
63   17  to the right of   10

[64 rows x 3 columns]