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