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2 December, 18:34

Mr. Schwartz has been hired to paint a row of 7 houses. Each house must be painted red, blue, or green. However, to make it aesthetically pleasing, he doesn't want any three consecutive houses to be the same color. Find the number of ways he can fulfill his task.

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  1. 2 December, 18:55
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    im pretty sure that there are 12 different ways
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