Are the cars on the right side?
No, the cars are on the left of the image.
    src        edge_attr  dst
0     0   to the left of    2
1     0   to the left of    1
2     1  to the right of    8
3     1  to the right of    5
4     1  to the right of    0
5     1  to the right of    7
6     1  to the right of    6
7     2  to the right of    8
8     2  to the right of    6
9     2  to the right of    0
10    3  to the right of   10
11    5   to the left of    1
12    6               on    7
13    6   to the left of    2
14    6   to the left of    1
15    7   to the left of    1
16    8   to the left of    2
17    8   to the left of    1
18   10   to the left of    3