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