What color do you think are the wheels?
The wheels are black.
     src        edge_attr  dst
0      0          next to   19
1      0           behind   19
2      0  to the right of    7
3      0      in front of   18
4      0  to the right of   12
..   ...              ...  ...
103   24   to the left of   12
104   24   to the left of   14
105   24   to the left of   21
106   24   to the left of   15
107   24   to the left of   22

[108 rows x 3 columns]