Wolfram Demonstrations Projecthttp://demonstrations.wolfram.com/An Open Resource of Interactive Mathematica VisualizationsCopyright 2009 Wolfram Demonstrations Project & ContributorsCellular Automaton Difference Pattern and Distributionhttp://demonstrations.wolfram.com/CellularAutomatonDifferencePatternAndDistribution/]]>http://demonstrations.wolfram.com/CellularAutomatonDifferencePatternAndDistribution/