Do you see players on the field?
No, there is a sheep on the field.
    src        edge_attr  dst
0     0   to the left of   14
1     0   to the left of   13
2     0   to the left of   12
3     2               in   16
4     2  to the right of   15
5     4   to the left of    5
6     5  to the right of    4
7     7               on   16
8     7   to the left of   21
9     7  to the right of   11
10    7  to the right of    8
11    8  to the right of   23
12    8   to the left of    7
13    8  to the right of   11
14    8               on   16
15   10               on   16
16   11               on   16
17   11   to the left of    7
18   11   to the left of    8
19   11  to the right of   23
20   12  to the right of    0
21   12  to the right of   13
22   13  to the right of    0
23   13   to the left of   12
24   13      eating from   12
25   14  to the right of    0
26   15   to the left of    2
27   17   to the left of   20
28   20  to the right of   17
29   21  to the right of    7
30   23               on   16
31   23   to the left of   11
32   23   to the left of    8