start 4: contains 3 systems system 1 and system 2 are non-isomorphic system 2 and system 3 are non-isomorphic system 1 and system 3 are non-isomorphic BUCKET 3 START------------------------------- system 3 {0,1,2,3}{4,5,6,7}{8,9,10} {0,4,2,5}{1,8,6,9}{3,7,10} {0,7,2,10}{3,8,5,9}{1,4,6} {0,8,2,9}{3,4,10,6}{1,5,7} {1,3,5,10}{4,8,7,9}{0,2,6} ----------------------------------- BUCKET 3 END --------------------------------- BUCKET 2 START------------------------------- system 2 {0,1,2,3}{4,5,6,7}{8,9,10} {0,4,2,5}{1,8,6,9}{3,7,10} {0,6,2,10}{4,8,7,9}{1,3,5} {0,8,2,9}{1,7,5,10}{3,4,6} {1,4,10,6}{3,8,5,9}{0,2,7} ----------------------------------- BUCKET 2 END --------------------------------- BUCKET 1 START------------------------------- system 1 {0,1,2,3}{4,5,6,7}{8,9,10} {0,4,2,5}{1,8,6,9}{3,7,10} {0,6,2,7}{3,8,4,9}{1,5,10} {0,8,2,9}{1,3,5,7}{4,6,10} {1,4,3,6}{5,8,7,9}{0,2,10} ----------------------------------- BUCKET 1 END --------------------------------- start 4 partitioned into 3 buckets