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A cuboid in the tradition of the 1x4x4 from the same inventor.
Although this cuboid has more than one layer in every dimension this puzzle has have a pillowed shape like the 1x4x4 and all other flat cuboids greater than the 1x3x3.
This puzzle was first presented in unstickered state in early May 2010. Its pieces were printed by Karl-Heinz Diekmann. Only two weeks later the first stickered version was presented by a different forum member.
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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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