Painting a 6x6 with 3 colours
Can you paint a 6x6 grid in red, green and blue, such that its every 3x3 sub-grid contains exactly 5 red, 3 green and 1 blue cell?Good luck!
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The simple answer:Reasoning
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View ArticleCan you paint a 6x6 grid in red, green and blue, such that its every 3x3 sub-grid contains exactly 5 red, 3 green and 1 blue cell?Good luck!
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