Wednesday, August 17, 2022

Skewb Xtreme

When the kiddos were here this summer some puzzles got scrambled that I haven't solved for a long time, the Skewb Xtreme included. Today was the day to solve it. To begin I just solved it as if it were a Skewb. That is

  1. 2 white corners opposite one another.
  2. 2 skew yellow corners.
  3. Permute the remaining corners all at once using the Move.
  4. Twist the corners if necessary using something like Up Clock Down Replace Up Anti Down Goback.
  5. 3-Cycle the Centers using (Up Forward Down Forward Up Goback Down Goback) x 2.
This was all well and good, but some of the Centers needed to flip and I couldn't remember my flipping algorithm. I tried looking things up in this blog and in the Solution Guides but didn't follow what I had said before. Sheesh. There was something about the Jing's Pyraminx that prompted me to dig it out and see if it helped. It did! It was scrambled so I solved it with the above steps. With everything in place the 4 edges needed to flip. It was obvious to me how to flip them. 

Up Back Down right-handed Up Forward Down left-handed (Replace the piece that that flipped with another that needed flipped) Up Back Down left-handed Up Forward Down right-handed (Put the second flipped piece back). Remember? After doing it with the Jing's Pyraminx it was an easy thing to do the same thing with the Skewb Xtreme to flip the Centers that needed to flip.

6. Flip Centers using the algorithm spelled out in the paragraph above.

And the Skewb Xtreme is solved. And all the Skewbs are solved. Happy day. 

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