What's the cupboard full of?
The cupboard is full of cups.
    src        edge_attr  dst
0     0  to the right of    9
1     0  to the right of    8
2     1   to the left of    3
3     1  to the right of   21
4     1  to the right of   11
..  ...              ...  ...
78   21   to the left of    8
79   21   to the left of    7
80   21   to the left of    1
81   21   to the left of   13
82   21               on    5

[83 rows x 3 columns]