Are there cars or bags?
Yes, there is a bag.
    src        edge_attr  dst
0     0   to the left of    8
1     1  to the right of    6
2     1  to the right of    8
3     2  to the right of    8
4     2   to the left of    3
5     2   to the left of   11
6     3  to the right of    9
7     3  to the right of    4
8     3  to the right of    2
9     4  to the right of    8
10    4   to the left of    3
11    5   to the left of    8
12    6   to the left of    8
13    6   to the left of    1
14    7  to the right of   10
15    8  to the right of    0
16    8  to the right of   10
17    8   to the left of    1
18    8   to the left of    2
19    8   to the left of    4
20    8  to the right of    5
21    8  to the right of    6
22    8   to the left of    9
23    9   to the left of    3
24    9  to the right of    8
25   10   to the left of    8
26   10   to the left of    7
27   11  to the right of    2