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