Is any pizza visible there?
Yes, there is a pizza.
    src        edge_attr  dst
0     0   to the left of   21
1     0   to the left of   20
2     0   to the left of   19
3     1   to the left of   16
4     2               of    4
..  ...              ...  ...
72   21  to the right of    4
73   21  to the right of    8
74   21  to the right of    5
75   21  to the right of   10
76   21  to the right of   17

[77 rows x 3 columns]