Are there any mirrors?
No, there are no mirrors.
    src        edge_attr  dst
0     0  to the right of    2
1     0           behind    2
2     0           behind    3
3     0  to the right of    3
4     2   to the left of    0
5     2               on    3
6     2      in front of    0
7     2  to the right of    3
8     3   to the left of    2
9     3   to the left of    0
10    3      in front of    0