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| | Useful Mathematics |
 | | In cycle notation this permutation is as follows: (UFL,RUB,RBD,RDF,DLF)(UF,RU,RB,RD,RF,DF,LF) This is a 5-cycle of corners and a 7-cycle of edges. |
 | | In mathematics, a measure of some kind of distance between two points is called a metric. |
 | | The lemma states in mathematical terms that if G is a finite group acting on a finite set X, then the number of orbits under this action is given by taking the average number of the fixed points. |
| www.geocities.com /jaapsch/puzzles/theory.htm (7326 words) |
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