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