Do you see cones to the left of the man that is walking down the road?
No, the cone is to the right of the man.
    src        edge_attr  dst
0     0  to the right of    2
1     0  to the right of   16
2     0  to the right of   11
3     0  to the right of    6
4     0  to the right of    9
..  ...              ...  ...
63   16   to the left of    0
64   16               on   11
65   16   to the left of    9
66   16   to the left of    8
67   16   to the left of    6

[68 rows x 3 columns]