"Jerry Bryan" <BRYAN@wvnvm.wvnet.edu> writes:
> ... I couldn't see inside the box to verify this, the Face centers
> seemed to be marked in such a way as to support the Supergroup.

Just as well, you'd have been disappointed. As I wrote on 8 Jan 92,

: While most people are content to make each face a solid color, some
: cubes have markings that display whether the face centers are twisted
: with respect to the rest of the cube.
: [This has recently been done commercially in an spectacularly
: braindamaged way, in a product known as ``Rubik's cube--the
: fourth dimension'' or some such nonsense. The mfrs have marked
: only four face centers, breaking symmetry while they fail to show
: the surprising invariant of the Supergroup. What bagbiters!]

Rubik's note about the size of
the problem says it is 4^4 times bigger than the regular problem.

And it could have been 4^(11/2).

Dan
Hoey@AIC.NRL.Navy.Mil