Which place is it?
It is a railroad.
    src        edge_attr  dst
0     0   to the left of   14
1     1  to the right of   12
2     1   to the left of   10
3     2   to the left of   13
4     4   to the left of   19
5     4   to the left of   17
6     5   to the left of    6
7     5               on   12
8     6  to the right of   17
9     6  to the right of    5
10    6   to the left of   10
11    6  to the right of   12
12    6   to the left of   11
13    8               on    4
14   10  to the right of    1
15   10  to the right of    6
16   11            above   15
17   11               on   10
18   11  to the right of    6
19   12   to the left of    6
20   12  to the right of   17
21   12   to the left of    1
22   13  to the right of   21
23   13  to the right of    2
24   14  to the right of    0
25   15            below   11
26   15  to the right of   21
27   16             near   17
28   17             near   16
29   17  to the right of    4
30   17   to the left of   12
31   17   to the left of    6
32   19  to the right of    4
33   21   to the left of   15
34   21   to the left of   13