Are there either suitcases or trays?
No, there are no trays or suitcases.
     src        edge_attr  dst
0      0  to the right of    5
1      0  to the right of   21
2      0  to the right of   22
3      0  to the right of   12
4      0  to the right of    3
..   ...              ...  ...
113   21  to the right of    4
114   22  to the right of    4
115   22        on top of   21
116   22   to the left of    0
117   22  to the right of    1

[118 rows x 3 columns]