Is this a bus or a truck?
This is a truck.
    src        edge_attr  dst
0     0             near    3
1     0   to the left of    6
2     0   to the left of   10
3     2  to the right of    7
4     2   to the left of    6
5     2  to the right of    8
6     2  to the right of   16
7     3  to the right of    4
8     3          next to    0
9     4   to the left of    3
10    6  to the right of    0
11    6  to the right of   13
12    6  to the right of   14
13    6  to the right of    7
14    6  to the right of   11
15    6  to the right of    2
16    6  to the right of    8
17    7  to the right of   16
18    7   to the left of    2
19    7  to the right of   15
20    7   to the left of    6
21    7   to the left of    8
22    8   to the left of    6
23    8  to the right of   16
24    8  to the right of    7
25    8   to the left of    2
26    9  to the right of   12
27   10  to the right of   13
28   10  to the right of    0
29   10  to the right of   11
30   10  to the right of   14
31   11   to the left of    6
32   11               on    0
33   11   to the left of   10
34   11  to the right of   14
35   11   to the left of   13
36   12   to the left of    9
37   13   to the left of   10
38   13  to the right of   11
39   13   to the left of    6
40   13  to the right of   14
41   14   to the left of    6
42   14   to the left of   11
43   14   to the left of   13
44   14   to the left of   10
45   15   to the left of    7
46   15   to the left of   16
47   16  to the right of   15
48   16   to the left of    7
49   16   to the left of    8
50   16   to the left of    2