Are there crates or wheelchairs?
No, there are no crates or wheelchairs.
    src        edge_attr  dst
0     1   to the left of    7
1     2   to the left of    7
2     3   to the left of    7
3     3   to the left of    6
4     3   to the left of    5
5     4   to the left of    7
6     5  to the right of    8
7     5  to the right of    3
8     6  to the right of    3
9     7  to the right of    3
10    7  to the right of    2
11    7  to the right of    4
12    7  to the right of    1
13    8   to the left of    5