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Also known as Master Floppy or Floppy Revenge.

This is a cuboid inspired by the Floppy cube invented by Katzuhiko Okamoto. That puzzle (a 1x3x3) brought up the question whether bigger cuboids LxMxN with L=1 were possible. This is the first working 1x4x4 which answers the question with Yes.



Thank you to the following people for their assistance in helping collect the information on this page: Andreas Nortmann, Lawrence Cuthbert.


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