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'Nine Colours' printed from http://nrich.maths.org/

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You have 27 small cubes, 3 each of nine colours.

Use the small cubes to make a 3 by 3 by 3 cube so that each face of the bigger cube contains one of every colour.

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This problem features in Maths Trails - Working Systematically, one of the books in the Maths Trails series written by members of the NRICH Team and published by Cambridge University Press. For more details, please see our publications page .

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