Is the color of the cap different than the color of the jacket?
No, both the cap and the jacket are black.
    src        edge_attr  dst
0     0  to the right of    1
1     0  to the right of    6
2     0  to the right of   18
3     0  to the right of   20
4     0  to the right of    7
..  ...              ...  ...
76   20   to the left of   16
77   20   to the left of    0
78   20   to the left of   11
79   20   to the left of    8
80   20   to the left of   12

[81 rows x 3 columns]