How long is the black hair?
The hair is long.
    src        edge_attr  dst
0     0  to the right of    7
1     0  to the right of   19
2     0  to the right of   17
3     1   to the left of   30
4     2   to the left of   26
..  ...              ...  ...
87   30   to the left of   27
88   31   to the left of   27
89   31   to the left of   23
90   32  to the right of   19
91   32  to the right of    7

[92 rows x 3 columns]