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 Post subject: 2x2x?Posted: Thu Aug 13, 2009 1:39 pm

Joined: Sun May 04, 2008 10:44 am
Location: WV
I was just wondering how everyone solves puzzles like the 2x2x3, 2x2x4, 2x2x5, etc.

I've found the easiest way is to use Square-1 corner permutation algorithms.

_________________
PB Cube Times:
2x2x2- 3.05
3x3x3- 13.13
4x4x4- 1:10.39
5x5x5- 3:7.96
Pyraminx- 4.61
Magic- 1.18
Master Magic- 7.96
Square- 1-35.05
Megaminx- 3:1.74
Skewb- 10.73!!
Youtube: http://www.youtube.com/user/kornfan140

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 Post subject: Re: 2x2x?Posted: Thu Aug 13, 2009 1:54 pm

Joined: Fri Feb 13, 2009 11:25 am
I use the method shown in this video for the 2x2x3 and am able to apply it to all 2x2xn puzzles

http://www.youtube.com/watch?v=3UE_5PVwup0

The 2x2x3 tutorial part starts at around a minute in.

_________________
We learned about algorthms in math. It was priceless to see the look on some of the kids faces at such a large and complicated word.

You just Uber Pwned a Noob

http://willscubingcenter.webs.com/

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 Post subject: Re: 2x2x?Posted: Fri Aug 14, 2009 1:10 am

Joined: Sat Jan 14, 2006 9:36 am
Location: Europe
KoRnfan140 wrote:
I've found the easiest way is to use Square-1 corner permutation algorithms.

That's what I use on my 2x2x3 and 2x2x4.

With 2x2x3 I first finish the middle edges and the upper layer. Then I use the s-1 algorithm to 3-cycle the bottom layer corners (= use twice the algorithm that swaps two adjacent corners in the bottom layer and two diagonal corners on the upper layer, along with a twist of the bottom layer in between the two).

With 2x2x4 I first get it into shape, then pair up the outside layer pieces with the corresponding middle layer pieces (using the s-1 algorithm as above). Finally, I solve it like a 2x2x2.

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 Post subject: Re: 2x2x?Posted: Fri Aug 14, 2009 12:01 pm

Joined: Sun May 04, 2008 10:44 am
Location: WV
I use these algorithms http://www.cubezone.be/square1step4.html

For 2x2x4/2x2x6 I solve shape first. Then middle layer with the algorithms. Then last ones.

For 2x3x3/3x3x4 I solve the corners with the algorithms then a series of R2/L2 U2 moves to switch edge pieces around. Then R2 U R2 U R2 U2 R2 U2 R2 U R2 U'R2

Also works to solve 2x2x2 Just solve 2 opposite sides like yellow and white (don't have to be with each other as long as there on opposite sides). Orient the yellow and white. The permute the corners. It works pretty well, I can average 8 sec. with this method.

_________________
PB Cube Times:
2x2x2- 3.05
3x3x3- 13.13
4x4x4- 1:10.39
5x5x5- 3:7.96
Pyraminx- 4.61
Magic- 1.18
Master Magic- 7.96
Square- 1-35.05
Megaminx- 3:1.74
Skewb- 10.73!!
Youtube: http://www.youtube.com/user/kornfan140

Top

 Post subject: Re: 2x2x?Posted: Fri Aug 14, 2009 9:43 pm

Joined: Sun Dec 07, 2008 7:39 am
solve top and bottom layers with ortega.
orient one layer, then the other. say u follow the BOY color scheme, either orient the yellow or the white face first and the other face would automatically be oriented...(ie make sure yellow and white are on their respective layers)
then permute the corners with an ortega algorithm that solves the corners when there are bars on both the top and the bottom layers...if it is not possible to do so, apply R2 U R2 U' R2 U R2 U' R2

for 2x2x3, the middle layer is just trivial stuff...
for 2x2x4 and up, I would just use simple commutators like r U2 l D2 l' U2 l D2 l' r' (after rotation such that the corners solved are on the right and left) to solve the (n-a)th and (a)th layer at the same time where a is an integer < n. repeat until all layers are done? XD for odd layered ones, the middle layer can be solved trivially and the rest solved as described above.

hope this helps...

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 Post subject: Re: 2x2x?Posted: Sat Aug 15, 2009 12:06 am

Joined: Sun May 04, 2008 10:44 am
Location: WV
chicken sandwich wrote:
hope this helps...

Wasn't looking for help. Was just curious as how other solve because I've seen other solutions ,and was wondering how they worked. Thanks though .

_________________
PB Cube Times:
2x2x2- 3.05
3x3x3- 13.13
4x4x4- 1:10.39
5x5x5- 3:7.96
Pyraminx- 4.61
Magic- 1.18
Master Magic- 7.96
Square- 1-35.05
Megaminx- 3:1.74
Skewb- 10.73!!
Youtube: http://www.youtube.com/user/kornfan140

Top

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