What color is the mirror?
The mirror is black.
    src        edge_attr  dst
0     0  to the right of   10
1     0  to the right of    2
2     1  to the right of   10
3     2  to the right of   10
4     2   to the left of    0
..  ...              ...  ...
62   18   to the left of   12
63   19  to the right of    9
64   19  to the right of   15
65   19  to the right of   14
66   19   to the left of   11

[67 rows x 3 columns]