What is the bus stuck in?
The bus is stuck in the dirt.
    src        edge_attr  dst
0     0  to the right of    5
1     0   to the left of    9
2     1   to the left of   12
3     4   to the left of    5
4     5   to the left of    9
5     5  to the right of    4
6     5   to the left of    0
7     6  to the right of   18
8     6  to the right of   11
9     8         stuck in   10
10    8  to the right of   11
11    8  to the right of   18
12    9  to the right of    5
13    9  to the right of    0
14   11           behind   14
15   11   to the left of    6
16   11   to the left of    8
17   12  to the right of    1
18   12  to the right of   17
19   13  to the right of   14
20   13   to the left of   15
21   14   to the left of   13
22   14      in front of   11
23   15  to the right of   13
24   17   to the left of   12
25   18   to the left of    6
26   18   to the left of    8