In front of what are the tracks?
The tracks are in front of the hill.
    src        edge_attr  dst
0     0               on    6
1     0  to the right of   11
2     0  to the right of    7
3     1  to the right of   11
4     1  to the right of    7
5     2   to the left of   23
6     3  to the right of   11
7     4           beside   12
8     5   to the left of    9
9     5             near   19
10    5   to the left of    8
11    5  to the right of    7
12    7   to the left of    0
13    7   to the left of    5
14    7   to the left of    1
15    7             near   19
16    7  to the right of   11
17    8             near   19
18    8  to the right of    5
19    8  to the right of    9
20    9             near   19
21    9  to the right of    5
22    9   to the left of    8
23   11             near   19
24   11   to the left of    1
25   11   to the left of    3
26   11   to the left of    7
27   11   to the left of   14
28   11   to the left of   25
29   11   to the left of    0
30   13  to the right of   21
31   14  to the right of   11
32   15           behind   26
33   17         covering   18
34   18       covered by   17
35   19             near   11
36   19             near    8
37   19             near    9
38   19             near    5
39   19             near    7
40   19             with   20
41   21   to the left of   24
42   21   to the left of   13
43   21   to the left of   22
44   22  to the right of   21
45   23  to the right of    2
46   24  to the right of   21
47   25  to the right of   11
48   26      in front of   15