What is the color of the cap?
The cap is white.
     src        edge_attr  dst
0      0   to the left of    9
1      0   to the left of    8
2      2   to the left of    9
3      2   to the left of    8
4      2   to the left of    6
..   ...              ...  ...
106   28   to the left of   24
107   29  to the right of   18
108   29  to the right of    3
109   29   to the left of   16
110   29            using   28

[111 rows x 3 columns]