Illusion: Difference between revisions

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<p>An "Illusion" is a sequence that contains almost exclusively [[GU Pair|GU pairs]]. Like [[Cub Scout|cub scouts]] and [[Christmas Tree|christmas trees]], they are undesirable in lab. Some puzzles, however, add an element of difficulty by requiring solutions to have a large percentage of GU pairs.</p>
<p>An "<strong>Illusion</strong>", also called Optical illusion, is a sequence that contains almost exclusively [[GU Pair|GU pairs]]. Like [[Cub Scout|cub scouts]] and [[Christmas Tree|christmas trees]], they are undesirable in lab. Some puzzles, however, add an element of difficulty by requiring solutions to have a large percentage of GU pairs.</p>

Revision as of 22:34, 16 January 2014

An "Illusion", also called Optical illusion, is a sequence that contains almost exclusively GU pairs. Like cub scouts and christmas trees, they are undesirable in lab. Some puzzles, however, add an element of difficulty by requiring solutions to have a large percentage of GU pairs.