Are there forks or breads in the scene?
Yes, there is a fork.
    src        edge_attr  dst
0     0   to the left of   11
1     0  to the right of    5
2     1        on top of    9
3     1  to the right of    3
4     1  to the right of    5
5     2   to the left of   10
6     2  to the right of    5
7     2  to the right of    3
8     3   to the left of    6
9     3   to the left of    2
10    3   to the left of    7
11    3   to the left of   12
12    3   to the left of    1
13    3   to the left of    9
14    3   to the left of   10
15    3   to the left of    4
16    4  to the right of    3
17    4   to the left of   11
18    4  to the right of    5
19    5   to the left of   12
20    5   to the left of    1
21    5   to the left of    7
22    5   to the left of    2
23    5   to the left of    4
24    5   to the left of   10
25    5   to the left of    9
26    5   to the left of    6
27    5   to the left of    0
28    6  to the right of    3
29    6  to the right of    5
30    6   to the left of   11
31    7  to the right of    5
32    7  to the right of    3
33    9  to the right of    3
34    9  to the right of    5
35    9   to the left of   11
36   10  to the right of    3
37   10   to the left of   11
38   10  to the right of    5
39   10  to the right of    2
40   11  to the right of    9
41   11  to the right of    4
42   11  to the right of    6
43   11  to the right of    0
44   11  to the right of   10
45   12  to the right of    5
46   12  to the right of    3