Online since 2002. Over 3300 puzzles, 2600 worldwide members, and 270,000 messages.

TwistyPuzzles.com Forum

It is currently Wed Jul 23, 2014 8:49 pm

All times are UTC - 5 hours



Post new topic Reply to topic  [ 3 posts ] 
Author Message
 Post subject: Odd Helicopter Cube Parity Issue
PostPosted: Thu Oct 14, 2010 11:50 pm 
Offline
User avatar

Joined: Mon Mar 03, 2008 5:30 pm
Location: NYC
Hey everybody I know there've been some threads discussing problems people have had solving the helicopter cube but I encountered a case that I couldn't find anywhere. I've solved the puzzle several times just fine (no jumbling just yet) but this time is different. I have two adjacent corners which are oriented correctly, but need to switch position as shown in the picture. I know for sure this isn't a messy result of jumbling the puzzle and putting it back the wrong way because I took the puzzle apart and reassembled it into the solved state right before doing the scramble that led me to this problem. All of the commutators I know and have tried only either accomplish a 3-cycle or switch 2 pairs of corners, not only one pair. Any tips or algorithms for solving the cube from this state would be much appreciated. Thanks!
Danny
Attachment:
File comment: The UFL and UFR corners need to switch. Everything else is solved.
P1010150444535.jpg
P1010150444535.jpg [ 42.24 KiB | Viewed 1687 times ]

_________________
No matter how long I've been into this stuff, I always learn new things. That's why it's impossible to get tired of it.


Top
 Profile  
 
 Post subject: Re: Odd Helicopter Cube Parity Issue
PostPosted: Fri Oct 15, 2010 12:58 am 
Offline
User avatar

Joined: Mon Dec 08, 2008 1:45 am
Location: New Zealand
Hi Danny,

Hold the Cube so that the Corners to be swapped are on the FU edge.

Here is the non-jumbling Algorithm:

FR UR UF FR UF UR FR UF UR UF UR UF UR

And here is the jumbling Algorithm('+' means one part clockwise, '-' means one part counter-clockwise):

(UR+ FL+) UF (FL- UR-) (UL- FR-) UF (FR+ UL+) UF

Both these algorithms will leave you with a cube with 2 corners to be rotated (in this case).

Good luck!
-Mark- :)

_________________
My Shapeways Shop!
Tony Fisher wrote:
A rare puzzle is one that is only lightly cooked.

Kelvin Stott wrote:
Squiggle is such a funny word to say out loud. Squiggle! :lol:

I am with Frank's Family


Top
 Profile  
 
 Post subject: Re: Odd Helicopter Cube Parity Issue
PostPosted: Fri Oct 15, 2010 1:33 am 
Offline
User avatar

Joined: Mon Mar 03, 2008 5:30 pm
Location: NYC
Beautiful! This is exactly what I was looking for. Thanks a ton.
By the way, the simplicity of that jumbling algorithm made me giggle. I LOVE it.

_________________
No matter how long I've been into this stuff, I always learn new things. That's why it's impossible to get tired of it.


Top
 Profile  
 
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 3 posts ] 

All times are UTC - 5 hours


Who is online

Users browsing this forum: Google [Bot], Yahoo [Bot] and 7 guests


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Search for:
Jump to:  

Forum powered by phpBB © 2000, 2002, 2005, 2007 phpBB Group