Message #3965

From: Nan Ma <mananself@gmail.com>
Subject: Re: [MC4D] Fwd: Rubik-like puzzle
Date: Tue, 16 Jan 2018 10:13:48 -0800

I have never played a Hungarian ring. But Jaap’s page has solutions that he
may like:

https://www.jaapsch.net/puzzles/rings.htm

Nan

On Tue, Jan 16, 2018 at 9:08 AM, Roice Nelson roice3@gmail.com [4D_Cubing] <
4D_Cubing@yahoogroups.com> wrote:

>
>
> Hi solution-wizards,
>
> A friend of mine, Arnaud Chéritat, is looking for an efficient solution
> algorithm for a class of twisty puzzles like the Hungarian rings
> <https://www..jaapsch.net/puzzles/rings.htm> puzzle. It will be used for
> a live solve where people play the role of the permuted dots. I wanted to
> see if any of you might be able to help with this.. Details are below.
>
> Best,
> Roice
>
>
> P.S. Arnaud makes awesome software and mathematical images. Check out his
> site here: https://www.math.univ-toulouse.fr/~cheritat/
>
>
> ———- Forwarded message ———-
> From: Arnaud Chéritat <arnaud.cheritat@gmail.com>
> Date: Tue, Jan 16, 2018 at 2:11 AM
> Subject: Rubik-like puzzle
> To: Roice Nelson <roice3@gmail.com>
>
>
> Dear Roice,
>
> Cheers and happy new year! I am co-organizing in March an math festival
> event with several stands, for one of them my idea is to embody the
> following Rubick’s cube like puzzle with people following marks on the
> floor :
>
> https://www.math.univ-toulouse.fr/~cheritat/AppletsDivers/
> AnneauxHongrois/page.html
>
> For this I need a resolving algorithm that is not too long to implement. I
> recall that you were part of a club or forum of puzzle solvers, would you
> happen to know a solution, or somebody who knows one? How much time would
> it take you to devise one if you wanted? I can come up with an algorithm
> but it is pretty long to implement and you must keep track of many
> movements on a sheet of paper (or have an excellent memory) because of
> conjugations.
>
> By default there is the 5,5,1,1 variant (the 4 numbers in a column of text
> fields in the lower left).
> I also like the 6,6,2,2, that I cannot solve quickly either.
> I’d be happy to have a nice method for one of those two.
>
> Of course you can look at many variants.
> The 4,4,1,1 is easy, yet interesting.
> The n,2,k,1 are easy, good for training maybe?
>
> Best,
> Arnaud.
>
>
>
>