Who wears a cap?
The skier wears a cap.
    src        edge_attr  dst
0     1  to the right of    9
1     1   to the left of    2
2     2  to the right of   15
3     2   to the left of   20
4     2  to the right of    6
..  ...              ...  ...
74   21   to the left of   15
75   21  to the right of    9
76   22  to the right of    9
77   22   to the left of   21
78   22   to the left of    6

[79 rows x 3 columns]