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 Post subject: 3x3x2 parityPosted: Wed Jul 20, 2011 11:44 pm

Joined: Sat Mar 29, 2008 12:55 am
Location: WA, USA
Hello, I have done a search about this on twistypuzzles before posting this topic, but all the websites that had any sort of solutions for the domino that were linked to on other topics are links that no longer work, or the site is down or something.
I've had a domino for a few days and have been dinking around with it for awhile, and have managed to solve it multiple times, however I usually get a very annoying parity that I can't solve without rescrambling part of it and resolving.

These are the steps I take to solving the domino:
1. Pair up all edges in the right spots
2. Pair up all corners
3. Flip appropriate corner pairs.

Usually when all that is said and done, I have 1 edge pair that is flipped, but everything else is in the right spot.
Does anyone have an optimal algorithm for this parity?

Thank you,
Elijah

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 Post subject: Re: 3x3x2 parityPosted: Thu Jul 21, 2011 12:00 am

Joined: Mon Jun 07, 2010 8:37 am
Location: Waco, TX and South Bend, IN
Doing the move [L, U2]x3 will switch the Upper-front and Upper-back edges, so do set up moves to put the edges you need to switch in this position and do the algorithm, then reverse the set up moves.

Unless I misunderstood your parity (which is likely), this should help. Hope it does.

Chris

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 Post subject: Re: 3x3x2 parityPosted: Thu Jul 21, 2011 12:01 am

Joined: Sat Mar 29, 2008 12:55 am
Location: WA, USA
yes! Wonderful! That is extremely easy I love it! Thank you very much.

edit: by the way, is there also a shorter algorithm to flipping a corner pair or swapping 2 adjacent corners?

I've been using the 5x5x5 algorithms

swap 2 adjacent corners, one in UFR position, and one in UBR position: Li 2U Li 2U 2F Li 2F R 2U Ri 2U 2L

flip a corner pair in UF position(also flips edge pair): 2R 2B 2U L 2U Ri 2U R 2U 2F R 2F Li 2B 2R

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 Post subject: Re: 3x3x2 parityPosted: Thu Jul 21, 2011 12:14 am

Joined: Wed Feb 17, 2010 7:33 pm
Try R U R U’ R F U’ F U F. I have it on my computer as "two-corner across swap", but I don't remember what it does exactly and I don't have my 3x3x2 assembled.

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