Averting Instant Insanity
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Ivars Peterson (MathTrek)  
Once called "The Great Tantalizer," the puzzle looks innocuous and sounds quite simple. It consists of a set of four cubes with one of four colors on each of their six faces. Your goal is to arrange the four cubes in a row so that all four colors appear on each of the row's four long sides. The order of the cubes doesn't matter. That simplicity is deceptive. There are 41,472 different ways of arranging the four cubes in a row. A trialanderror approach to solving the puzzle would be hopelessly impractical...  


Levels:  High School (912), College 
Languages:  English 
Resource Types:  Problems/Puzzles, Articles 
Math Topics:  Graph Theory 
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