Are there any low fences?
Yes, there is a low fence.
    src        edge_attr  dst
0     1   to the left of   12
1     1   to the left of   14
2     2  to the right of   16
3     2  to the right of   15
4     3  to the right of    6
5     5   to the left of   12
6     6   to the left of    3
7     7   on the side of   11
8     8   to the left of   12
9     9  to the right of   10
10    9   to the left of   15
11    9   to the left of   17
12    9   to the left of   19
13    9   to the left of   22
14   10   to the left of   22
15   10   to the left of    9
16   10   to the left of   11
17   11  to the right of   10
18   12  to the right of   21
19   12  to the right of    8
20   12  to the right of   14
21   12  to the right of    5
22   12  to the right of    1
23   14   to the left of   12
24   14  to the right of    1
25   15   to the left of    2
26   15  to the right of    9
27   15   to the left of   22
28   16          wearing   18
29   16   to the left of   17
30   16          wearing    6
31   16   to the left of    2
32   16   to the left of   22
33   16          wearing   15
34   16   to the left of   19
35   17  to the right of   16
36   17  to the right of    9
37   17  to the right of   18
38   18   to the left of   22
39   18   to the left of   19
40   18   to the left of   17
41   19  to the right of   16
42   19  to the right of    9
43   19  to the right of   18
44   21   to the left of   12
45   22  to the right of   18
46   22  to the right of   16
47   22  to the right of   15
48   22  to the right of   10
49   22  to the right of    9