Are there fences or fire hydrants?
No, there are no fences or fire hydrants.
    src        edge_attr  dst
0     0   to the left of    6
1     0   to the left of    4
2     1   to the left of   10
3     2   to the left of   10
4     2   to the left of   13
5     3   to the left of   10
6     3       walking on    1
7     4  to the right of    8
8     4   to the left of    6
9     4  to the right of    0
10    5               on    2
11    5  to the right of    7
12    5               on   10
13    6  to the right of    0
14    6  to the right of    4
15    7   to the left of    5
16    8   to the left of    4
17   10  to the right of    1
18   10  to the right of    2
19   10  to the right of    3
20   13  to the right of    2