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