Are there kites or bikes?
Yes, there is a bike.
   src        edge_attr  dst
0    0  to the right of    8
1    4   to the left of    8
2    7  to the right of   12
3    8  to the right of    4
4    8   to the left of    0
5    8   to the left of   12
6   12  to the right of    8
7   12   to the left of    7
8   12   to the left of   13
9   13  to the right of   12