Which color do the wheels have?
The wheels have white color.
     src        edge_attr  dst
0      0   to the left of   16
1      0   to the left of   31
2      0   to the left of   47
3      0   to the left of   34
4      0  to the right of   21
..   ...              ...  ...
301   47   to the left of   42
302   47  to the right of    0
303   47   to the left of    1
304   47   to the left of    8
305   47  to the right of   11

[306 rows x 3 columns]