What is on the horse?
The numbers are on the horse.
    src        edge_attr  dst
0     1  to the right of    8
1     1  to the right of    7
2     1               on    5
3     3   to the left of   16
4     3   to the left of    9
..  ...              ...  ...
87   30   to the left of   24
88   30  to the right of   31
89   30   to the left of   29
90   30   to the left of   27
91   31   to the left of   30

[92 rows x 3 columns]