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