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