Are there any toilets on the path?
Yes, there is a toilet on the path.
    src        edge_attr  dst
0     0   to the left of    3
1     0               on   11
2     0   to the left of   10
3     2  to the right of    4
4     2  to the right of    5
5     2  to the right of    8
6     3  to the right of    0
7     3  to the right of    9
8     3  to the right of    6
9     4               on    7
10    4   to the left of    2
11    5   to the left of    2
12    6   to the left of    3
13    8   to the left of    2
14    9   to the left of   10
15    9   to the left of    3
16   10  to the right of    0
17   10  to the right of    9