Do you see shampoos or cones in this picture?
No, there are no cones or shampoos.
     src        edge_attr  dst
0      1   to the left of    3
1      1  to the right of   10
2      1  to the right of   22
3      2   to the left of   21
4      2   to the left of   16
..   ...              ...  ...
147   31  to the right of   22
148   31               on   30
149   31               on   32
150   32  to the right of   22
151   32   to the left of    3

[152 rows x 3 columns]