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 Post subject: Master Pyraminx 3 center cyclePosted: Fri Aug 02, 2013 10:48 pm

Joined: Fri Feb 18, 2000 8:50 am
Location: chicago, IL area U.S.A
Just wondering if anyone could tell me a short sequence to cycle three centers on the master pyraminx.
Thanks!

-d

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 Post subject: Re: Master Pyraminx 3 center cyclePosted: Fri Aug 02, 2013 11:03 pm

Joined: Tue Feb 08, 2011 3:17 am
Location: Australia
Hey Darryl,

You need to fix it with Sunes on the middle and then the top layers until you get the 4cycle.
I will elaborate if you need, but that is a good hint.

Cheers,
Burgo.

_________________
1st 3x3 solve Oct 2010 (Even though I lived through the 80s).
PB 3x3 55sec Jan 2011 (When I was a kid 1:30 was speedcubing so I'm stoked).
1st 3x3 Earth (nemesis) solve Jan 2011 My You Tube (Now has ALLCrazy 3X3 Planets with Reduction)

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 Post subject: Re: Master Pyraminx 3 center cyclePosted: Fri Aug 02, 2013 11:19 pm

Joined: Fri Feb 18, 2000 8:50 am
Location: chicago, IL area U.S.A
I actually just figured it out before reading your reply. I knew the best way to figure it out is to post here

It's not elegant, and I'm sure it's not optimal, but assuming the bottom is solved and the three sides have the centers cycled, I turned the top two layers such that the colors match the centers, then I resolved the middle-side pieces and then fixed everything else and I ended up with 4 swapped centers which I already figured out.

Thanks though!

-d

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 Post subject: Re: Master Pyraminx 3 center cyclePosted: Fri Aug 02, 2013 11:26 pm

Joined: Tue Feb 08, 2011 3:17 am
Location: Australia
Actually Darryl,

I just picked up the puzzle and had a few twists and all you need to do is a single Sune using the corner (right corner tip + layer 1 & 2) and middle slice layer (lowest slice layer from U). The centres cycle around the right corner. That's pretty short and neat .

Cheers,
Burgo.

_________________
1st 3x3 solve Oct 2010 (Even though I lived through the 80s).
PB 3x3 55sec Jan 2011 (When I was a kid 1:30 was speedcubing so I'm stoked).
1st 3x3 Earth (nemesis) solve Jan 2011 My You Tube (Now has ALLCrazy 3X3 Planets with Reduction)

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 Post subject: Re: Master Pyraminx 3 center cyclePosted: Sun Apr 20, 2014 8:09 am

Joined: Sat Nov 16, 2013 10:57 am
I made an algorithm for this, its only 8 moves long and is really easy to remember if anyone wants it.

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 Post subject: Re: Master Pyraminx 3 center cyclePosted: Sun Apr 20, 2014 3:55 pm

Joined: Thu Sep 17, 2009 6:07 am
Location: Germany, Bavaria
Bobinogger wrote:
I made an algorithm for this, its only 8 moves long and is really easy to remember if anyone wants it.
Burgo's proposal in Gelatinbrain notation:
BCD, BCD&2, CBA&2, BCD'&2, BCD', CBA&2, BCD, BCD&2, CBA&2, BCD', BCD'&2, CBA&2

We can count the [BCD, BCD&2] or [BCD', BCD'&2] as single moves and we get a sequence of eight moves:
[BCD, BCD&2], CBA&2, [BCD'&2, BCD'], CBA&2, [BCD, BCD&2], CBA&2, [BCD', BCD'&2], CBA&2
Is your sequence similar to this?

_________________

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 Post subject: Re: Master Pyraminx 3 center cyclePosted: Mon Apr 21, 2014 1:28 am

Joined: Thu Dec 31, 2009 8:54 pm
Location: Bay Area, California
We can count the [BCD, BCD&2] or [BCD', BCD'&2] as single moves and we get a sequence of eight moves:
[...]
Is your sequence similar to this?

Fewest moves tricks for the win:
[A, DCA'&2, A', BDA'&2, A, DCA'&2, A', BDA'&2]

_________________
Prior to using my real name I posted under the account named bmenrigh.

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 Post subject: Re: Master Pyraminx 3 center cyclePosted: Mon Apr 21, 2014 4:30 am

Joined: Thu Sep 17, 2009 6:07 am
Location: Germany, Bavaria
Brandon Enright wrote:
We can count the [BCD, BCD&2] or [BCD', BCD'&2] as single moves and we get a sequence of eight moves:
[...]
Is your sequence similar to this?

Fewest moves tricks for the win:
[A, DCA'&2, A', BDA'&2, A, DCA'&2, A', BDA'&2]
You win regarding Gelatinbrain mouse clicks
On a real puzzle it is pretty much the same sequence. (For those who are not so familiar with Gelatinbrain's tetrahedron notation: BCD, BCD&2 is identical to A', the puzzle is just differently oriented in space afterwards)
Burgo's view on it makes it easier to memorize, in my opinion.

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 Post subject: Re: Master Pyraminx 3 center cyclePosted: Mon Apr 21, 2014 5:50 am

Joined: Sat Nov 16, 2013 10:57 am
I'm not entirely sure how to read that notation, I've made a little diagram to show how I'd show notation with the puzzle, sorry if I haven't laid it out very well:
Attachment:

z5.jpg [ 44.8 KiB | Viewed 845 times ]

The colour of the arrow indicates the section.
When using this notation, the algorithm would be:
( R u' R' u' ) x2
Start the algorithm with the solved face facing you.

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 Post subject: Re: Master Pyraminx 3 center cyclePosted: Mon Apr 21, 2014 6:58 am

Joined: Thu Sep 17, 2009 6:07 am
Location: Germany, Bavaria
Bobinogger wrote:
I'm not entirely sure how to read that notation, I've made a little diagram to show how I'd show notation with the puzzle, sorry if I haven't laid it out very well:
Attachment:
z5.jpg

The colour of the arrow indicates the section.
When using this notation, the algorithm would be:
( R u' R' u' ) x2
Start the algorithm with the solved face facing you.
Thanks for sharing this with us.
Your algorithm is almost identical to the sequence I have shown above in Gelatinbrain notation, interpreting Burgo's hint to Sune. (The Gelatinbrain notation uses four capital letters to denote the four faces: A, B, C, D. A vertex is denoted by the three adjacent faces. I guess it is not easy to memorize for human beings )

BTW, my personal notation would be [(Rr)v uv' (Rr)'v uv']x2 for your sequence.
I use capital letters for faces, lower case letters for slices and a suffix v for vertex turns.
I would look at the Pyraminx with vertex Fv pointing to me, sitting on face D and vertex Lv to my left and Rv to my right. Faces are L, R, B, D.

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 Post subject: Re: Master Pyraminx 3 center cyclePosted: Tue Apr 22, 2014 1:22 am

Joined: Thu Dec 31, 2009 8:54 pm
Location: Bay Area, California
Sequences of the form [A [X:A]]xN like this sequence (it's [U [R:U]]x2 after a bit of manipulation from "( R u' R' u' ) x2" above) are very powerful for twisting pieces pure. In this case, the piece that is being twisted pure is the core. The [A [X:A]]xN form can be generally applied to a great many more puzzles including the Pentultimate (for twisting a center pure).

_________________
Prior to using my real name I posted under the account named bmenrigh.

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