Which place is it?
It is a forest.
    src        edge_attr  dst
0     0  to the right of    9
1     0  to the right of    8
2     1   to the left of    9
3     1   to the left of    8
4     1   to the left of    7
5     1   to the left of    6
6     2               by    5
7     2           behind    9
8     3               of    9
9     6               of    9
10    6   to the left of    8
11    6  to the right of    1
12    7               of    9
13    7  to the right of    1
14    8  to the right of    1
15    8   to the left of    0
16    8               of    9
17    8  to the right of    6
18    9  to the right of    1
19    9   to the left of    0
20    9      in front of    4
21    9      in front of    2