Where in the image is the train car, in the top or in the bottom?
The train car is in the bottom of the image.
    src        edge_attr  dst
0     0   to the left of    2
1     0   to the left of    6
2     1  to the right of   14
3     1  to the right of    3
4     1   to the left of    2
5     1  to the right of   11
6     2  to the right of    1
7     2  to the right of    0
8     3   to the left of    1
9     3   to the left of   16
10    3   to the left of    6
11    3               on    0
12    3   to the left of   11
13    4  to the right of    7
14    4  to the right of   10
15    4               in   13
16    4  to the right of   15
17    5               in   13
18    5  to the right of    9
19    6  to the right of   14
20    6  to the right of    3
21    6  to the right of    0
22    6  to the right of   11
23    7   to the left of   10
24    7   to the left of   15
25    7   to the left of   12
26    7   to the left of   14
27    7   to the left of    4
28    8   to the left of   12
29    8   to the left of   14
30    9   to the left of    5
31   10  to the right of   18
32   10  to the right of    7
33   10   to the left of    4
34   11   to the left of    6
35   11   to the left of   16
36   11   to the left of    1
37   11  to the right of    3
38   11   to the left of   17
39   12  to the right of    7
40   12  to the right of    8
41   14   to the left of   16
42   14   to the left of    1
43   14  to the right of    7
44   14   to the left of    6
45   14  to the right of    8
46   15  to the right of   18
47   15   to the left of    4
48   15  to the right of    7
49   16  to the right of   14
50   16  to the right of    3
51   16  to the right of   11
52   17  to the right of   11
53   18   to the left of   15
54   18               in   13
55   18   to the left of   10