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