b11 := (2,4,6)(5,10,12)(7,15,16)(8,18,13)(9,14,20)(11,23,25)(17,31,32)(19,36,
     28)(21,40,26)(22,35,27)(24,45,46)(29,52,30)(33,59,60)(37,65,51)(41,71,49)
     (42,50,73)(43,75,47)(44,70,48)(53,88,54)(55,62,57)(56,90,58)(66,103,86)
     (67,104,106)(68,74,85)(72,112,84)(76,119,82)(77,100,83)(78,122,80)(79,
     118,81)(89,92,114)(91,136,93)(94,134,96)(95,140,97)(105,151,153)(107,155,
     156)(113,163,129)(116,166,130)(120,171,127)(121,128,173)(123,176,125)
     (124,160,126)(137,187,138)(139,183,142)(141,192,143)(145,197,198)(150,
     203,154)(152,206,207)(157,212,213)(165,174,182)(172,225,181)(177,229,179)
     (178,200,180)(188,239,189)(190,194,241)(193,243,195)(204,252,208)(205,
     234,209)(210,259,211)(220,240,245)(221,271,272)(226,248,247)(230,232,276)
     (231,233,279)(244,287,246)(249,288,289)(253,290,258)(254,291,256)(255,
     277,257)(260,296,261)(262,266,264)(263,274,265)(267,301,303)(268,299,297)
     (270,305,306)(273,307,308)(275,309,311)(278,313,314)(292,320,294)(293,
     304,295)(298,324,300)(302,328,329)(310,327,325)(312,323,326)(315,317,316);