Is this a silver airplane?
No, this is a blue airplane.
   src        edge_attr  dst
0    0   to the left of    4
1    2   to the left of    4
2    3  to the right of    9
3    4  to the right of    2
4    4  to the right of    0
5    5               of    8
6    6               of    8
7    9   to the left of    3