Are these noodles to the left of broccoli?
No, the noodles are to the left of the ham.
   src        edge_attr  dst
0    3  to the right of    7
1    3  to the right of    4
2    3  to the right of    8
3    4   to the left of    5
4    4   to the left of    3
5    5  to the right of    4
6    5  to the right of    7
7    7   to the left of    3
8    7   to the left of    5
9    8   to the left of    3