What color is the tail?
The tail is green.
    src        edge_attr  dst
0     0  to the right of   23
1     0   to the left of   22
2     0   to the left of   11
3     0   to the left of    9
4     0   to the left of   16
..  ...              ...  ...
67   24  to the right of   16
68   24   to the left of   17
69   25   to the left of   16
70   25   to the left of   17
71   25   to the left of   14

[72 rows x 3 columns]