a := (1,162)(2,55)(3,179)(4,78)(5,31)(6,145)(7,46)(8,131)(10,82)(11, 112)(12,141)(13,25)(14,100)(15,129)(16,68)(17,85)(18,47)(19,54)(20, 105)(21,156)(23,174)(24,108)(26,140)(27,37)(28,86)(29,146)(30, 135)(32,65)(33,67)(34,126)(35,180)(38,111)(39,103)(40,43)(41, 178)(42,107)(44,102)(45,59)(48,127)(49,80)(50,151)(51,69)(53, 142)(56,175)(57,136)(60,110)(61,149)(62,123)(63,71)(64,97)(66, 84)(72,113)(73,173)(74,92)(75,138)(76,130)(77,153)(79,93)(81, 172)(83,155)(87,143)(88,98)(90,125)(91,109)(94,133)(95,152)(96, 171)(101,115)(104,121)(114,147)(116,139)(117,183)(118,122)(119, 134)(124,148)(128,176)(132,154)(144,177)(150,182)(158,169)(161, 165)(163,164)(166,170)(167,168);