old system 0 {2,5,10}{3,6,9}{0,4,1,7,8} {1,6,10}{3,4,8}{0,5,7,2,9} {1,3,5}{2,6,8}{0,7,9,4,10} {0,1,2,3}{4,5,6,7}{8,9,10} {0,2,4,6}{1,8,5,9}{3,7,10} is isomorphic with new system 3 {0,4,8}{1,3,5}{2,7,9,6,10} {0,5,10}{3,4,9}{1,6,2,8,7} {1,4,10}{3,6,8}{0,7,5,2,9} {0,1,2,3}{4,5,6,7}{8,9,10} {0,2,4,6}{1,8,5,9}{3,7,10} 0 1 2 3 4 5 6 7 8 9 10 2 1 0 3 6 5 4 7 8 9 10 r0->r1 r1->r2 r2->r0 r3->r3 r4->r4 [c1->c1,c2->c2,c3->c3,c1:012->012,c2:012->012,c3:01234->2104] [c1->c1,c2->c2,c3->c3,c1:012->012,c2:012->012,c3:01234->3210] [c1->c2,c2->c1,c3->c3,c1:012->012,c2:012->012,c3:01234->0123] [c1->c1,c2->c2,c3->c3,c1:0123->2103,c2:0123->2103,c3:012->012] [c1->c1,c2->c2,c3->c3,c1:0123->1032,c2:0123->0123,c3:012->012]