On which side of the image is the fence?
The fence is on the right of the image.
    src        edge_attr  dst
0     0  to the right of    3
1     0  to the right of    4
2     1             near    9
3     1          pulling    2
4     1  to the right of    4
5     1             near    7
6     1  to the right of    3
7     2        pulled by    1
8     3   to the left of    1
9     3   to the left of    0
10    3   to the left of   12
11    4   to the left of    1
12    4   to the left of    0
13    5            below   11
14    7   to the left of    9
15    7          next to    1
16    9             near    1
17    9  to the right of    7
18   12  to the right of    3