Is the field long?
Yes, the field is long.
    src        edge_attr  dst
0     0           behind   11
1     0      in front of    5
2     0      in front of   15
3     0   to the left of    2
4     0  to the right of    1
5     0   to the left of   12
6     0  to the right of    8
7     0        on top of   17
8     1   to the left of    8
9     1   to the left of    0
10    2  to the right of    0
11    5  to the right of   11
12    5  to the right of    9
13    5  to the right of    6
14    5   on the side of    4
15    6           behind    9
16    6   to the left of    5
17    6   to the left of    9
18    8         stuck in    7
19    8  to the right of    1
20    8   to the left of    0
21    9  to the right of    6
22    9      in front of    6
23    9   to the left of    5
24   10  to the right of   11
25   11   to the left of    5
26   11   to the left of   10
27   11      in front of    0
28   12  to the right of    0
29   13               by    5
30   13  to the right of   14
31   14   to the left of   13