Is this a round mirror?
No, this is a rectangular mirror.
    src        edge_attr  dst
0     1  to the right of    6
1     2   to the left of   12
2     2   to the left of    8
3     3   to the left of   12
4     4               in    0
5     5               in    0
6     6   to the left of   16
7     6   to the left of    1
8     6   to the left of   17
9     7   to the left of   17
10    7  to the right of   18
11    7               on    6
12    8  to the right of    2
13    9               on   11
14   10   to the left of   17
15   12  to the right of    2
16   12  to the right of    3
17   15               in    0
18   16       decorating   17
19   16  to the right of    6
20   17  to the right of    7
21   17  to the right of   10
22   17  to the right of    6
23   17     decorated by   16
24   17  to the right of   18
25   18   to the left of    7
26   18   to the left of   17