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A customly stickered 3x3x3 based on the number game of the same name.

Inspired by several Sudoku cubes, the inventor glued a 3x3x3 with another Japanese number puzzle. In this case the puzzle is Nuribou, where the number indicates how many small squares are horizontally or vertically connected to each other to form a field. Each different field size has a different color. The fields must not touch each other orthogonally (but diagonally) and are never more than separated by a small box.



Thank you to the following people for their assistance in helping collect the information on this page: Denny Härtel.


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