z1 := (1,3,8,5,4,9,6,2)(7,13,22,16,10,15,26,14)(11,17,28,20,12,19,32,18)(21,
     31,48,36,23,30,47,33)(24,37,56,40,25,39,58,38)(27,41,59,46,29,45,62,42)
     (34,51,44,54,35,53,43,52)(49,65,86,68,50,67,90,66)(55,73,80,61,57,76,79,
     60)(63,81,105,84,64,83,108,82)(69,89,114,92,70,88,113,91)(71,93,115,96,
     72,95,116,94)(74,97,117,100,75,99,120,98)(77,101,111,104,78,103,110,102)
     (85,109,124,107,87,112,123,106)(118,129,131,121,119,130,132,122)(125,133,
     141,136,126,135,142,134)(127,137,143,140,128,139,144,138);