Do the shrub and the train have a different colors?
Yes, the shrub is red and the train is green.
    src        edge_attr  dst
0     0   to the left of   11
1     0  to the right of   17
2     0  to the right of    4
3     0  to the right of    6
4     2   to the left of   12
5     2   to the left of   11
6     2  to the right of    6
7     4  to the right of   17
8     4               in    3
9     4   to the left of    0
10    6   to the left of    0
11    6   to the left of   13
12    6   to the left of    2
13    7   to the left of   10
14    7  to the right of    9
15    7  to the right of   17
16    7   to the left of   11
17    8  to the right of   13
18    8   to the left of   12
19    9   to the left of    7
20   10  to the right of    7
21   11  to the right of    0
22   11  to the right of    7
23   11  to the right of    2
24   12  to the right of    8
25   12  to the right of    2
26   13   to the left of    8
27   13  to the right of    6
28   14  to the right of   15
29   15   to the left of   14
30   15   to the left of   18
31   17   to the left of    7
32   17   to the left of    0
33   17   to the left of    4
34   18  to the right of   15