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