z1 := (1,2,5,3)(4,7,13,8)(6,10,18,11)(9,15,25,16)(12,20)(14,22,35,23)(17,27,
     42,28)(19,30,46,31)(21,32,47,33)(24,37)(26,39,56,40)(29,43,62,44)(34,49,
     69,50)(36,51,72,52)(38,54)(41,58,53,59)(45,63,84,64)(48,66,88,67)(55,75,
     101,76)(57,77,100,74)(60,79,106,80)(61,81,107,82)(65,86,115,87)(68,90,
     119,91)(70,93,123,94)(71,95,126,96)(73,98,131,99)(78,103,136,104)(83,109,
     141,110)(85,112,145,113)(89,118)(92,120,154,121)(97,128,163,129)(102,134,
     156,122)(108,138,151,139)(111,143,137,130)(114,146,178,147)(116,148,180,
     149)(117,150)(124,125,158,157)(127,160,142,161)(132,166,191,167)(133,168,
     193,169)(135,165,152,170)(140,173,176,144)(153,182)(155,183,204,184)(159,
     186,194,172)(162,187,206,188)(164,189)(171,195)(174,197,214,198)(177,199,
     215,200)(179,185,202,181)(190,209,223,210)(196,212)(201,217,213,208)(203,
     218,228,219)(205,220)(207,221,211,222)(216,224,229,225)(226,230,231,227);