What are the vehicles to the right of the boat that is in the center?
The vehicles are cars.
    src        edge_attr  dst
0     0  to the right of   11
1     0  to the right of    6
2     0  to the right of   12
3     0  to the right of    2
4     0  to the right of    1
..  ...              ...  ...
81   21   to the left of    5
82   21   to the left of    7
83   21   to the left of   15
84   21   to the left of   13
85   21   to the left of   12

[86 rows x 3 columns]