Do you see either white benches or lamps?
Yes, there is a white bench.
    src        edge_attr  dst
0     0   to the left of   16
1     0   to the left of    3
2     0   to the left of    7
3     0   to the left of    9
4     0   to the left of   12
..  ...              ...  ...
59   16   to the left of    9
60   16   to the left of    1
61   16   to the left of    7
62   17  to the right of    7
63   17  to the right of   16

[64 rows x 3 columns]