Monday, November 5, 2012

Solving a 2x2x4 tower.

Solving a 2x2x4 tower is simple.
First, solve the centers like a 2x2 (The 2x2 core).
Don't let the piece extensions confuse you.
Next, solve the top and bottom like 2x2x4 centers.
With the unsolved top and bottom, you will have to perform the algorithm
R' F R' BB R F' R' BB RR to swap the two corners facing you.

This will also swap the two corners on the top half of  the core.

There are two cases that may occur:

None of the corners are correctly positioned: Perform the algorithm once and then align the solved corners of the top layer with the solved corners of the top middle layer and rotate the two layers so that they're facing away from you. Perform the algorithm again.

Two of the corners are correctly positioned: Rotate the top layer so that they two correctly positioned corners are facing your right side or your left side. Perform the algorithm. Next, align the solved corners of the top layer with the solved corners of the top middle layer and rotate the two layers so that they're facing away from you. Perform the algorithm again.

If this confuses you, please post a comment.

5 comments:

  1. I dont get the part where I have to solve it like a 2x2x4 core. maybe a picture or something :)

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  2. I just want to get my cube back to its original shape and i can't find any tutorial that shows me how.

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    Replies
    1. if you have ever solved a 3x3, its the same, but imagine the middle 5 pieces on each side gone. its just the corners. thats also the tip for the 2x2. another way of putting this is imagine the cross on each side is already solved.

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  3. What happens if there is only 1, 3, or 0 corners aligned?
    thx

    ReplyDelete