Is there any fence or racket?
Yes, there is a racket.
    src        edge_attr  dst
0     1  to the right of    3
1     2  to the right of   12
2     2  to the right of   15
3     2   to the left of   11
4     2   to the left of   10
5     2   to the left of    4
6     3   to the left of    1
7     4  to the right of    2
8     4  to the right of   16
9     4  to the right of   11
10    4   to the left of   10
11    7   to the left of   10
12    8  to the right of    9
13    9   to the left of   13
14    9   to the left of    8
15   10  to the right of    4
16   10  to the right of    2
17   10          holding   12
18   10  to the right of   11
19   10  to the right of   16
20   10  to the right of    7
21   11   to the left of   10
22   11  to the right of   16
23   11   to the left of    4
24   11  to the right of    2
25   12  to the right of   15
26   12   to the left of    2
27   13  to the right of    9
28   15   to the left of    2
29   15   to the left of   12
30   16   to the left of    4
31   16   to the left of   10
32   16   to the left of   11