On which side is the white fence, the right or the left?
The fence is on the left of the image.
    src        edge_attr  dst
0     1   to the left of    9
1     1   to the left of   10
2     1   to the left of    8
3     1   to the left of    7
4     2   to the left of    7
5     2   to the left of    8
6     3   to the left of    7
7     3   to the left of    8
8     4   to the left of   10
9     5   to the left of    9
10    5   to the left of   10
11    7  to the right of    1
12    7  to the right of    3
13    7  to the right of    2
14    8  to the right of    3
15    8  to the right of    1
16    8  to the right of    2
17    9  to the right of    1
18    9  to the right of    5
19   10  to the right of    1
20   10  to the right of    4
21   10  to the right of    5