Is the broccoli on the right side?
No, the broccoli is on the left of the image.
   src        edge_attr  dst
0    4               on    3
1    6   to the left of    9
2    6  to the right of    7
3    7   to the left of    9
4    7   to the left of    6
5    9  to the right of    7
6    9  to the right of    6