Are there either hoses or mirrors?
Yes, there is a mirror.
    src        edge_attr  dst
0     0  to the right of    4
1     0  to the right of   12
2     0  to the right of    5
3     1   to the left of    5
4     1   to the left of   11
5     1   to the left of    3
6     2   to the left of   11
7     2   to the left of    3
8     3  to the right of    1
9     3   to the left of    9
10    3  to the right of    2
11    4   to the left of    0
12    4  to the right of    8
13    5  to the right of    1
14    5   to the left of    0
15    6             near    7
16    6  to the right of    9
17    7             near    6
18    7  to the right of    9
19    8   to the left of    4
20    8   to the left of   12
21    9   to the left of    7
22    9   to the left of    6
23    9  to the right of   11
24    9  to the right of    3
25   11   to the left of    9
26   11  to the right of    2
27   11  to the right of    1
28   12  to the right of    8
29   12   to the left of    0