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Will Strijbos |
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Pine and plywood tray. |
The objective is to assemble the pieces into a two-layer, 4 by 4 checkerboard
with the colors matching on both layers and with the colors being different on
both layers. Just Fit won the 1990 Hikimi puzzle competition in Japan.
The 16 pieces represent all the possible ways that two pieces of each color
having slanted tops can be joined.
I don't know how many (14,288,256 is said). Here's one
It's a very difficult puzzle.
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