What vehicle is this?
This is a van.
    src        edge_attr  dst
0     0  to the right of   12
1     2   on the back of    9
2     5  to the right of    9
3     5  to the right of    6
4     5   to the left of   10
5     6   to the left of   10
6     6   to the left of    5
7     9   to the left of    5
8     9   to the left of   10
9    10  to the right of    6
10   10  to the right of    5
11   10  to the right of    9
12   12   to the left of    0