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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.
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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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