How long is the skirt?
The skirt is long.
     src        edge_attr  dst
0      0  to the right of    9
1      0   to the left of    3
2      0   to the left of   29
3      0   to the left of   12
4      1  to the right of    3
..   ...              ...  ...
260   31  to the right of    6
261   31   to the left of   29
262   31  to the right of    7
263   31  to the right of   13
264   31   to the left of    3

[265 rows x 3 columns]