Do you see either any carts or sugar packets?
No, there are no sugar packets or carts.
    src        edge_attr  dst
0     0  to the right of   17
1     0  to the right of    9
2     1   to the left of   13
3     1   to the left of    7
4     1  to the right of    4
..  ...              ...  ...
81   18  to the right of    2
82   18          hung on   16
83   19   to the left of   16
84   19   to the left of    3
85   19   to the left of   15

[86 rows x 3 columns]