<t>QuoteOriginally posted by: MCarreiran=2: {1,2} => 1 pattern, 1 goodI would exclude n=2 as an exception. Obviously here is the probability is 1.Quoten=4: A={{1,2},{3,4}} => bad (add {n+1,n+2}) B={{1,3},{2,4}} => good C={{1,4},{2,3}} => good (add {0,n+1}) 3 patterns, 2 goodagreedQuoten=6: {{1,2},{3...