Do you see any fences or serving trays in the picture?
Yes, there is a fence.
    src        edge_attr  dst
0     0  to the right of   11
1     0   to the left of    4
2     0  to the right of    1
3     0  to the right of    7
4     0   to the left of    6
5     1   to the left of    0
6     1   to the left of    5
7     1   to the left of    4
8     2  to the right of   10
9     4  to the right of    0
10    4               on    5
11    4  to the right of    1
12    4   to the left of    6
13    4  to the right of   11
14    5  to the right of   11
15    5            below   12
16    5             near   11
17    5  to the right of    7
18    5  to the right of    1
19    6  to the right of    0
20    6               by    5
21    6  to the right of    4
22    6  to the right of   10
23    7               by    5
24    7   to the left of    0
25    7   to the left of    5
26    7   to the left of   11
27    8  to the right of   11
28    8  to the right of   12
29    9               on   11
30   10   to the left of    6
31   10  to the right of   11
32   10   to the left of    2
33   11   to the left of    5
34   11   to the left of    4
35   11   to the left of    0
36   11   to the left of   12
37   11   to the left of   10
38   11   to the left of    8
39   11  to the right of    7
40   11               by    5
41   11             near    5
42   12  to the right of   11
43   12   to the left of    8