Do you see either any flags or motorcycles?
Yes, there is a motorcycle.
   src        edge_attr  dst
0    0  to the right of    8
1    0  to the right of    1
2    1   to the left of    0
3    1   to the left of    3
4    3   to the left of    5
5    3  to the right of    1
6    3  to the right of    8
7    5  to the right of    3
8    8   to the left of    0
9    8   to the left of    3