Are there either any fences or sugar packets?
Yes, there is a fence.
    src        edge_attr  dst
0     0   to the left of    9
1     0   to the left of    6
2     0   to the left of    4
3     0   to the left of    8
4     1   to the left of    9
5     1   to the left of    6
6     1   to the left of    5
7     4  to the right of    0
8     4   to the left of    6
9     4   to the left of    9
10    5  to the right of    1
11    5  to the right of    8
12    6  to the right of    0
13    6  to the right of    8
14    6  to the right of    4
15    6  to the right of    1
16    8   to the left of    5
17    8   to the left of    6
18    8  to the right of    0
19    8   to the left of    9
20    9  to the right of    1
21    9  to the right of    8
22    9  to the right of    4
23    9  to the right of    0