On which side is the driver?
The driver is on the left of the image.
    src        edge_attr  dst
0     3   to the left of    6
1     3   to the left of    5
2     4               on    5
3     4  to the right of    5
4     5  to the right of    3
5     5  to the right of    6
6     5   to the left of    4
7     6  to the right of    8
8     6   to the left of    5
9     6  to the right of    3
10    8   to the left of    6