Is the fence in the bottom or in the top of the picture?
The fence is in the top of the image.
    src        edge_attr  dst
0     0  to the right of    2
1     0  to the right of    1
2     0   to the left of    3
3     1   to the left of    0
4     1   to the left of    4
5     1   to the left of    9
6     1  to the right of    2
7     1   to the left of   15
8     1   to the left of    6
9     2   to the left of    1
10    2   to the left of    4
11    2   to the left of   15
12    2   to the left of    9
13    2   to the left of    0
14    2   to the left of    6
15    3  to the right of    6
16    3  to the right of    0
17    3  to the right of    4
18    4  to the right of    9
19    4  to the right of    2
20    4   to the left of    3
21    4  to the right of    1
22    6  to the right of    1
23    6  to the right of    2
24    6   to the left of    3
25    9  to the right of    1
26    9   to the left of    4
27    9  to the right of    2
28   10   to the left of   14
29   14  to the right of   15
30   14  to the right of   10
31   14           behind   15
32   15  to the right of    2
33   15   to the left of   14
34   15  to the right of    1