Do you see a ball or a fork there?
No, there are no balls or forks.
     src        edge_attr  dst
0      0  to the right of   18
1      0  to the right of    9
2      0  to the right of   15
3      0   to the left of   12
4      0  to the right of   17
..   ...              ...  ...
100   22   to the left of    7
101   22   to the left of    8
102   22   to the left of   10
103   22   to the left of   11
104   22   to the left of   13

[105 rows x 3 columns]