a := (1,57)(2,106)(3,126)(4,11)(5,45)(6,133)(7,151)(8,27)(9,144)(10,
152)(12,38)(13,115)(14,66)(15,89)(16,85)(18,119)(19,54)(20,74)(21,
36)(22,68)(23,127)(24,98)(26,47)(28,80)(29,108)(30,92)(31,140)(32,
131)(33,101)(34,67)(37,124)(39,105)(40,59)(41,44)(42,112)(43,63)(46,
88)(48,146)(49,148)(50,132)(51,154)(52,120)(55,84)(56,76)(58,91)(60,
116)(61,62)(64,104)(65,125)(70,129)(71,100)(72,83)(75,117)(77,
134)(78,156)(79,147)(81,143)(82,121)(87,122)(90,103)(93,153)(94,
142)(95,149)(96,136)(97,130)(102,114)(107,155)(109,150)(110,
145)(111,135)(113,123)(138,139)