Which color is the mirror on the right?
The mirror is black.
    src        edge_attr  dst
0     0  to the right of    7
1     1  to the right of   10
2     1  to the right of   15
3     1  to the right of    7
4     2   to the left of   13
5     2  to the right of   12
6     2  to the right of    5
7     2   to the left of   14
8     3  to the right of    9
9     3  to the right of    6
10    4           inside   16
11    4  to the right of    7
12    4   to the left of    6
13    5   to the left of    2
14    5  to the right of    7
15    5  to the right of   10
16    5   to the left of   13
17    6   to the left of    9
18    6   to the left of    3
19    6  to the right of    4
20    7   to the left of    5
21    7   to the left of    0
22    7   to the left of   12
23    7   to the left of    8
24    7   to the left of   17
25    7   to the left of    4
26    7   to the left of    1
27    8  to the right of    7
28    9   to the left of    3
29    9  to the right of    6
30   10   to the left of    5
31   10   to the left of   12
32   10   to the left of   17
33   10   to the left of    1
34   11   to the left of   13
35   12  to the right of    7
36   12   to the left of    2
37   12        on top of    5
38   12  to the right of   10
39   13  to the right of   11
40   13  to the right of    2
41   13  to the right of   14
42   13  to the right of    5
43   14   to the left of   13
44   14  to the right of   17
45   14  to the right of    2
46   15           inside   16
47   15   to the left of    1
48   17           inside   16
49   17   to the left of   14
50   17  to the right of    7
51   17  to the right of   10