bin1 := (1,3)(2,4,6,9)(5,7,11,15)(10,13)(12,16,21,17)(14,18)(19,23,20,24)(22,26,
     30,34)(25,28)(27,31,36,41)(29,32,37,43)(33,38,45,52)(35,40,48,56)(39,46,
     54,47)(42,50,59,53)(44,51)(49,57,63,58)(55,62);