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CalmPlex MindBlockTM Solutions Level 6

Numbers in (red) are total solutions possible for that shape.

The checkerboard!

1x8x8

1 x 8 x 8 (152)

This started my quest back in the 1970's to design a puzzle to not only make the checkerboard puzzle out of wood but also to make a cube out of the same pieces - and all the other shapes that followed. It would have been nice to get all 64 permutations done but with the piece shapes I played around with I could find only 54. Perhaps CalmPlex II ... Here is one solution using two 1x4x8's and a real challenge would be to form the checkerboard fully interlocking - no sub shapes.
 


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