Do the wheels look yellow?
No, the wheels are black.
    src         edge_attr  dst
0     0   to the right of    1
1     1    to the left of    2
2     1    to the left of    0
3     1    to the left of    4
4     2                on    0
5     2   to the right of    1
6     2   to the right of    3
7     3    to the left of    2
8     4  on the bottom of    2
9     4   to the right of    1
10    4                of    2