Are there any cones near the silver gate?
Yes, there is a cone near the gate.
     src        edge_attr  dst
0      0  to the right of   12
1      0   to the left of   10
2      0  to the right of   14
3      0   to the left of   17
4      0  to the right of   16
..   ...              ...  ...
108   20  to the right of    6
109   21  to the right of    7
110   21   to the left of   14
111   21   to the left of    0
112   21  to the right of    6

[113 rows x 3 columns]