Which side is the car on?
The car is on the left of the image.
    src        edge_attr  dst
0     0               on    8
1     0   to the left of   13
2     1   to the left of    7
3     3               on   12
4     4  to the right of   13
5     4   to the left of   15
6     4   to the left of    5
7     5  to the right of    4
8     6   to the left of   11
9     6  to the right of    7
10    7  to the right of    1
11    7   to the left of    6
12   11  to the right of    6
13   13   to the left of    4
14   13  to the right of    0
15   15  to the right of    4