z1 := (1,2,3)(4,6,7)(5,8,9)(10,14,15)(11,16,17)(12,18,19)(13,20,21)(22,29,30)
     (24,31,32)(25,33,34)(26,35,36)(27,37,38)(28,39,40)(41,53,54)(42,55,56)
     (43,51,57)(44,58,59)(45,60,61)(46,62,63)(47,64,65)(48,66,67)(49,68,69)
     (50,70,71)(52,72,73)(74,89,90)(75,86,91)(76,92,78)(77,93,94)(79,95,85)
     (80,96,97)(81,98,99)(82,84,100)(83,101,102)(88,103,104)(105,111,110)(106,
     108,112);