Is the fork in the top?
No, the fork is in the bottom of the image.
    src        edge_attr  dst
0     0  to the right of   15
1     0  to the right of    7
2     0  to the right of    3
3     0  to the right of   14
4     0  to the right of   10
5     1  to the right of   10
6     1  to the right of   15
7     1  to the right of   14
8     2   to the left of    8
9     2   to the left of    6
10    3  to the right of    4
11    3   to the left of    0
12    3  to the right of    6
13    4   to the left of    3
14    4   to the left of   10
15    4   to the left of    7
16    4  to the right of   16
17    4   to the left of   14
18    5               on    9
19    6   to the left of    7
20    6   to the left of   14
21    6   to the left of   15
22    6  to the right of   16
23    6   to the left of    3
24    6  to the right of    2
25    7   to the left of    0
26    7  to the right of    4
27    7  to the right of    6
28    8  to the right of    2
29   10   to the left of    0
30   10   to the left of    1
31   10  to the right of   14
32   10  to the right of    4
33   10  to the right of   15
34   11          next to   13
35   11             near   13
36   12          next to   13
37   12             near   13
38   13             near   11
39   13             near   12
40   14   to the left of    0
41   14   to the left of   10
42   14  to the right of    6
43   14  to the right of    4
44   14   to the left of    1
45   14               in   15
46   15  to the right of   16
47   15   to the left of    1
48   15   to the left of    0
49   15  to the right of    6
50   15   to the left of   10
51   16   to the left of    4
52   16   to the left of    6
53   16   to the left of   15