Is the blue vehicle on the left side of the picture?
Yes, the train is on the left of the image.
    src        edge_attr  dst
0     0   to the left of   12
1     0  to the right of    5
2     0  to the right of    8
3     0  to the right of    6
4     0   to the left of    1
5     0   to the left of    2
6     1   to the left of   12
7     1   to the left of    2
8     1  to the right of    0
9     1  to the right of    5
10    2  to the right of    5
11    2  to the right of   12
12    2  to the right of    1
13    2  to the right of    0
14    3               on   11
15    3  to the right of    8
16    3  to the right of    6
17    4   to the left of   11
18    4  to the right of   10
19    4   to the left of    8
20    5  to the right of    6
21    5   to the left of    0
22    5   to the left of    1
23    5   to the left of   12
24    5   to the left of    2
25    5  to the right of    8
26    6   to the left of    5
27    6   to the left of   11
28    6   to the left of    9
29    6  to the right of   10
30    6   to the left of    3
31    6   to the left of    0
32    8   to the left of    0
33    8  to the right of    4
34    8   to the left of    5
35    8   to the left of    3
36    8  to the right of   10
37    8   to the left of    9
38    8   to the left of   11
39    9  to the right of    8
40    9  to the right of    6
41   10   to the left of    6
42   10   to the left of    4
43   10   to the left of   11
44   10   to the left of    8
45   11  to the right of    6
46   11  to the right of    8
47   11  to the right of    4
48   11  to the right of   10
49   12  to the right of    5
50   12  to the right of    0
51   12   to the left of    2
52   12  to the right of    1