b11 := (3,25)(8,21)(9,36)(12,74)(15,22)(16,63)(17,52)(19,77)(24,60)(27,59)(28,
     32)(30,39)(35,86)(40,75)(43,71)(47,57)(48,64)(49,102)(50,95)(51,101)(68,
     116)(80,109)(81,112)(84,87)(94,106)(97,107)(98,103)(104,110);