Where in the scene is the fence, in the bottom or in the top?
The fence is in the top of the image.
    src        edge_attr  dst
0     0   to the left of    3
1     1  to the right of   14
2     1   to the left of   13
3     1   to the left of   15
4     1  to the right of   11
5     1   to the left of    3
6     2   to the left of    9
7     3  to the right of   10
8     3  to the right of    4
9     3  to the right of   11
10    3  to the right of    1
11    3  to the right of    0
12    4   to the left of    3
13    5  to the right of   10
14    7  to the right of   15
15    7   to the left of   13
16    7  to the right of   11
17    7  to the right of   10
18    9  to the right of    2
19   10   to the left of   13
20   10   to the left of   15
21   10   to the left of   12
22   10   to the left of    3
23   10   to the left of    7
24   10   to the left of    5
25   11   to the left of    7
26   11   to the left of    3
27   11   to the left of    1
28   11   to the left of   15
29   11  to the right of   14
30   12  to the right of   10
31   13  to the right of   10
32   13  to the right of    7
33   13  to the right of    1
34   13  to the right of   15
35   13               of    3
36   14   to the left of   11
37   14   to the left of    1
38   15  to the right of    1
39   15  to the right of   11
40   15   to the left of   13
41   15   to the left of    7
42   15  to the right of   10
43   15               of    3