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Old 2006-06-26, 22:19   #1
Wacky
 
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Jun 2003
The Texas Hill Country

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Default PR 4 # 24

Using the French Tricolor as a model, how many flags are possible with five available colors if two adjacent rows must not be colored the same?

Last fiddled with by Wacky on 2006-06-26 at 22:20
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Old 2006-06-27, 00:45   #2
retina
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"The unspeakable one"
Jun 2006
My evil lair

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5x4x4=80
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