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