Is the fence tall or short?
The fence is tall.
    src        edge_attr  dst
0     0   to the left of    4
1     1               on    0
2     1   to the left of    5
3     2               on    4
4     2  to the right of    6
5     2  to the right of    5
6     4  to the right of    0
7     4  to the right of    5
8     5   to the left of    4
9     5   to the left of    2
10    5            above    6
11    5  to the right of    1
12    6   to the left of    2