Are there both forks and napkins in this picture?
No, there is a fork but no napkins.
   src        edge_attr  dst
0    0  to the right of    4
1    1  to the right of    4
2    2  to the right of    4
3    4   to the left of    2
4    4   to the left of    1
5    4   to the left of    0
6    6               on    3
7    8               on    6