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