Is this a truck or a bus?
This is a truck.
    src        edge_attr  dst
0     0  to the right of    3
1     2   to the left of    8
2     2   to the left of   13
3     2   to the left of   15
4     2   to the left of    4
5     2   to the left of    7
6     3  to the right of   14
7     3   to the left of    0
8     4  to the right of    2
9     4  to the right of   11
10    4  to the right of    9
11    4  to the right of   12
12    6   to the left of    9
13    6               of    2
14    6   to the left of   12
15    7  to the right of    2
16    7  to the right of    9
17    8  to the right of   12
18    8  to the right of    2
19    8               of    8
20    8  to the right of    9
21    8  to the right of   11
22    9   to the left of    7
23    9   to the left of    8
24    9   to the left of   13
25    9   to the left of   15
26    9  to the right of    6
27    9   to the left of    4
28   11   to the left of    8
29   11   to the left of    4
30   11  to the right of   14
31   11   to the left of   15
32   11   to the left of   13
33   12   to the left of    8
34   12   to the left of   13
35   12  to the right of    6
36   12   to the left of    4
37   12   to the left of   15
38   13  to the right of   12
39   13  to the right of    2
40   13  to the right of    9
41   13  to the right of   11
42   14   to the left of    3
43   14   on the side of    2
44   14   to the left of   11
45   15  to the right of   12
46   15  to the right of    9
47   15  to the right of   11
48   15  to the right of    2