What is the pattern of the tie?
The tie is striped.
     src        edge_attr  dst
0      0  to the right of    5
1      0  to the right of    3
2      0  to the right of   16
3      0  to the right of    6
4      1           behind    5
..   ...              ...  ...
124   17   to the left of    8
125   17   to the left of    7
126   17           behind    5
127   17           behind   14
128   17           behind    2

[129 rows x 3 columns]