Is the fence on the left side?
No, the fence is on the right of the image.
    src        edge_attr  dst
0     0           behind   14
1     0   to the left of   12
2     0   to the left of    8
3     1   to the left of   13
4     1   to the left of   10
5     3   to the left of    4
6     4  to the right of    9
7     4  to the right of    3
8     4  to the right of   14
9     5   to the left of   12
10    5  to the right of   10
11    5  to the right of   14
12    7  to the right of   15
13    8  to the right of    0
14    8    surrounded by   13
15    9  to the right of   14
16    9   to the left of    4
17   10   to the left of    5
18   10  to the right of    1
19   10  to the right of   14
20   11  to the right of   15
21   12  to the right of    5
22   12  to the right of   13
23   12  to the right of    0
24   13      surrounding    8
25   13   to the left of   12
26   13  to the right of   14
27   13  to the right of    1
28   14   to the left of   13
29   14   to the left of    9
30   14      in front of    0
31   14   to the left of    5
32   14  to the right of   15
33   14   to the left of   10
34   14   to the left of    4
35   15   to the left of    7
36   15   to the left of   11
37   15   to the left of   14