On which side of the picture is the fence?
The fence is on the left of the image.
    src        edge_attr  dst
0     0  to the right of    4
1     0  to the right of    1
2     0  to the right of   17
3     1  to the right of   16
4     1  to the right of    4
5     1  to the right of   17
6     1   to the left of    0
7     2               on    3
8     2  to the right of   20
9     2  to the right of    9
10    3   to the left of   11
11    4   to the left of    0
12    4   to the left of   17
13    4   to the left of    1
14    5  to the right of   13
15    5  to the right of   14
16    6  to the right of   12
17    7               on   12
18    7  to the right of   13
19    7  to the right of   14
20    8               on    9
21    9   to the left of    2
22   10               on   12
23   11         covering   20
24   11  to the right of   18
25   11  to the right of    3
26   11  to the right of   20
27   12   to the left of    6
28   13   to the left of    5
29   13   to the left of    7
30   13   to the left of   14
31   14  to the right of   13
32   14   to the left of    7
33   14   to the left of    5
34   16   to the left of    1
35   17  to the right of    4
36   17   to the left of    1
37   17   to the left of    0
38   18   to the left of   11
39   18  to the right of   19
40   18               on    9
41   19   to the left of   18
42   19               on    9
43   19   to the left of   22
44   20   to the left of    2
45   20   to the left of   11
46   20       covered by   11
47   21               on    9
48   22               on    9
49   22  to the right of   19