What color is the cap?
The cap is blue.
    src        edge_attr  dst
0     0   to the left of    3
1     0   to the left of    5
2     0   to the left of   12
3     1               on    6
4     1   to the left of    4
..  ...              ...  ...
80   12               on   11
81   13  to the right of   12
82   13  to the right of    4
83   13  to the right of    6
84   13  to the right of    3

[85 rows x 3 columns]