Which place is it?
It is a field.
    src        edge_attr  dst
0     0  to the right of    2
1     1   to the left of    8
2     1   to the left of    7
3     1   to the left of    5
4     2   to the left of    5
5     2               in    4
6     2   to the left of    0
7     5  to the right of    7
8     5  to the right of    2
9     5  to the right of    1
10    6   to the left of    7
11    7  to the right of    1
12    7   to the left of    5
13    7  to the right of    6
14    8  to the right of    1