a11 := (1,60)(2,72)(3,81)(4,43)(5,11)(6,87)(7,34)(9,63)(12,46)(13,28)(14,71)
     (15,42)(16,97)(18,57)(19,52)(21,32)(23,47)(24,54)(25,83)(26,78)(29,89)
     (30,39)(33,61)(35,56)(37,67)(44,76)(45,88)(48,59)(49,86)(50,74)(51,66)
     (53,99)(55,75)(62,73)(65,79)(68,82)(77,92)(84,90)(85,98)(94,100);