Thread: "Rubik-like puzzle"

From: Roice Nelson <roice3@gmail.com>
Date: Tue, 16 Jan 2018 11:08:34 -0600
Subject: Fwd: Rubik-like puzzle




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.

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Hi solution-wizards,

A friend=C2=A0of m=
ine, Arnaud Ch=C3=A9ritat, is looking for an=C2=A0efficient solution algori=
thm for a class of twisty puzzles like the et/puzzles/rings.htm">Hungarian=C2=A0rings puzzle.=C2=A0 It will be use=
d for a live=C2=A0solve where people play the role of the permuted dots.=C2=
=A0 I wanted to see if any of you might be able to help with this.=C2=A0 De=
tails are below.

Best,
Roice
iv>

P.S. Arnaud makes awesome software and mat=
hematical images. Check out his site here:=C2=A0.univ-toulouse.fr/~cheritat/">https://www.math.univ-toulouse.fr/~cheritat/<=
/a>


---------- Forwarded=
message ----------
From: Arnaud Ch=C3=A9r=
itat
<
>arnaud.cheritat@gmail.com>
Date: Tue, Jan 16, 2018 at 2:1=
1 AM
Subject: Rubik-like puzzle
To: Roice Nelson <o:roice3@gmail.com">roice3@gmail.com>


iv>
Dear Roice,

=C2=A0 =
Cheers and happy new year! I am co-organizing in March an math festival eve=
nt 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 :>
nneauxHongrois/page.html" target=3D"_blank">https://www.math.univ-toul=
ouse.fr/~cheritat/AppletsDivers/AnneauxHongrois/page.html

=

For this I need a resolving algorithm that is not too long to imp=
lement. I recall that you were part of a club or forum of puzzle solvers, w=
ould you happen to know a solution, or somebody who knows one? How much tim=
e would it take you to devise one if you wanted? I can come up with an algo=
rithm but it is pretty long to implement and you must keep track of many mo=
vements on a sheet of paper (or have an excellent memory) because of conjug=
ations.

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 ha=
ve a nice method for one of those two.

O=
f 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.





--001a11453266edffc20562e7c700--




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



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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 Ch=C3=A9ritat, is looking for an efficient solut=
ion
> algorithm for a class of twisty puzzles like the Hungarian rings
> puzzle. It will be used for
> a live solve where people play the role of the permuted dots. I wanted t=
o
> 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 Ch=C3=A9ritat
> Date: Tue, Jan 16, 2018 at 2:11 AM
> Subject: Rubik-like puzzle
> To: Roice Nelson
>
>
> 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 tex=
t
> 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.
>
>
>=20
>

--089e082f274c470b620562e8b1ac
Content-Type: text/html; charset="UTF-8"
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I have never played a Hungarian ring. But Jaap's =
page has solutions that he may like:

/www.jaapsch.net/puzzles/rings.htm">https://www.jaapsch.net/puzzles/rings.h=
tm


Nan
>
On Tue, Jan 16, 2018 at 9:08 AM, Roice Nelson <=
a href=3D"mailto:roice3@gmail.com">roice3@gmail.com [4D_Cubing] ir=3D"ltr"><k">4D_Cubing@yahoogroups.com> wrote:
gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-=
left:1ex">












=20

=C2=A0







=20=20=20=20=20=20
=20=20=20=20=20=20




<=
/div>
---------- Forwarded message ----------=

From: Arnaud Ch=C3=A9ritat =3D"ltr"><>arnaud.cheritat@gmail.com>
Date: Tue, Jan 16, 2018 at 2:1=
1 AM
Subject: Rubik-like puzzle
To: Roice Nelson <o:roice3@gmail.com" target=3D"_blank">roice3@gmail.com>


<=
div dir=3D"ltr">
Dear Roice,>
=C2=A0 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 emb=
ody the following Rubick's cube like puzzle with people following marks=
on the floor :

at/AppletsDivers/AnneauxHongrois/page.html" target=3D"_blank">https://www.m=
ath.univ-toulouse.fr/~cheritat/AppletsDivers/AnneauxHongrois/page=
.html


For this I need a resolving algorithm that is not to=
o long to implement. I recall that you were part of a club or forum of puzz=
le 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 tra=
ck of many movements on a sheet of paper (or have an excellent memory) beca=
use 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 als=
o like the 6,6,2,2, that I cannot solve quickly either.
I'd b=
e 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 train=
ing maybe?

Best,
Arnaud.







=20=20=20=20=20

=20=20=20=20







=20=20









--089e082f274c470b620562e8b1ac--




From: =?UTF-8?Q?Luna_Pe=C3=B1a?= <scarecrowfish@gmail.com>
Date: Wed, 17 Jan 2018 01:02:56 +0000
Subject: Re: [MC4D] Fwd: Rubik-like puzzle




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.




--94eb2c1236fe748ae80562ee683c
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

I have come up with a method for both the 5,5,1,1 an=
d the 6,6,2,2, as well as a program that can solve any of the puzzles in Ar=
naud's program optimally. Unfortunately, it is now very late at night, =
and I don't have the time to detail it now, but I'll be sure to sha=
re it tomorrow.=C2=A0

Al=
so, you should let Arnaud know that if his 'permute' button just pl=
aces the beads in random locations, then it's generating unsolvable pos=
itions. I spent an hour trying to figure out how to do a 2-cyle on the 5,5,=
1,1, but now I'm pretty sure it's impossible, and after only using =
the random move button, it doesn't show up.=C2=A0
">
~Luna
ail_extra" dir=3D"auto">
On 16 Jan 2018 17:13=
, "Roice Nelson roice3@gmail.coma> [4D_Cubing]" <4D_Cu=
bing@yahoogroups.com
> wrote:
ss=3D"quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-=
left:1ex">












=20

=C2=A0







=20=20=20=20=20=20
=20=20=20=20=20=20




<=
/div>
---------- Forwarded message ----------=

From: Arnaud Ch=C3=A9ritat =3D"ltr"><>arnaud.cheritat@gmail.com>
Date: Tue, Jan 16, 2018 at 2:1=
1 AM
Subject: Rubik-like puzzle
To: Roice Nelson <o:roice3@gmail.com" target=3D"_blank">roice3@gmail.com>


<=
div dir=3D"ltr">
Dear Roice,>
=C2=A0 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 emb=
ody the following Rubick's cube like puzzle with people following marks=
on the floor :

at/AppletsDivers/AnneauxHongrois/page.html" target=3D"_blank">https://www.m=
ath.univ-toulouse.fr/~cheritat/AppletsDivers/AnneauxHongrois/page=
.html


For this I need a resolving algorithm that is not to=
o long to implement. I recall that you were part of a club or forum of puzz=
le 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 tra=
ck of many movements on a sheet of paper (or have an excellent memory) beca=
use 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 als=
o like the 6,6,2,2, that I cannot solve quickly either.
I'd b=
e 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 train=
ing maybe?

Best,
Arnaud.







=20=20=20=20=20

=20=20=20=20







=20=20









--94eb2c1236fe748ae80562ee683c--





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