Do you see red beds or lamps?
No, there is a bed but it is gray.
    src        edge_attr  dst
0     0   to the left of   16
1     0   to the left of   15
2     0   to the left of    6
3     0   to the left of   14
4     1  to the right of   13
..  ...              ...  ...
77   21  to the right of   17
78   21  to the right of   10
79   21  to the right of    7
80   22   to the left of   10
81   22   to the left of    2

[82 rows x 3 columns]