b11 := (1,88)(2,22)(4,5)(6,98)(7,66)(8,24)(9,20)(10,75)(12,74)(13,39)(14,45)
     (15,58)(16,46)(17,55)(18,96)(19,48)(21,94)(23,76)(26,42)(27,65)(29,51)
     (30,86)(31,70)(32,71)(34,78)(35,93)(36,56)(37,87)(38,67)(40,83)(41,59)
     (43,73)(47,100)(49,72)(50,77)(52,95)(54,84)(57,82)(61,91)(62,64)(69,81)
     (79,97)(89,99);