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