z1 := (1,2)(3,7)(4,8)(5,9)(6,10)(11,19)(12,20)(13,21)(14,22)(15,23)(16,24)(17,
     25)(18,26)(27,43)(28,44)(29,45)(30,46)(31,47)(32,48)(33,49)(34,50)(35,51)
     (36,52)(37,53)(38,54)(39,55)(40,56)(41,57)(42,58)(59,91)(60,92)(61,93)
     (62,94)(63,95)(64,96)(65,97)(66,98)(67,99)(68,100)(69,101)(70,102)(71,
     103)(72,104)(73,105)(74,106)(75,107)(76,108)(77,109)(78,110)(79,111)(80,
     112)(81,113)(82,114)(83,115)(84,116)(85,117)(86,118)(87,119)(88,120)(89,
     121)(90,122)(123,187)(124,188)(125,189)(126,190)(127,191)(128,192)(129,
     193)(130,194)(131,195)(132,196)(133,197)(134,198)(135,199)(136,200)(137,
     201)(138,202)(139,203)(140,204)(141,205)(142,206)(143,207)(144,208)(145,
     209)(146,210)(147,211)(148,212)(149,213)(150,214)(151,215)(152,216)(153,
     217)(154,218)(155,219)(156,220)(157,221)(158,222)(159,223)(160,224)(161,
     225)(162,226)(163,227)(164,228)(165,229)(166,230)(167,231)(168,232)(169,
     233)(170,234)(171,235)(172,236)(173,237)(174,238)(175,239)(176,240)(177,
     241)(178,242)(179,243)(180,244)(181,245)(182,246)(183,247)(184,248)(185,
     249)(186,250)(251,379)(252,325)(253,380)(254,352)(255,381)(256,382)(257,
     365)(258,383)(259,384)(260,385)(261,316)(262,386)(263,387)(264,372)(265,
     388)(266,337)(267,389)(268,390)(269,391)(270,339)(271,347)(272,392)(273,
     330)(274,393)(275,334)(276,394)(277,375)(278,395)(279,396)(280,397)(281,
     398)(282,358)(283,335)(284,399)(285,400)(286,401)(287,402)(288,318)(289,
     403)(290,359)(291,404)(292,363)(293,405)(294,346)(295,354)(296,406)(297,
     407)(298,408)(299,356)(300,409)(301,321)(302,410)(303,411)(304,377)(305,
     412)(306,413)(307,414)(308,328)(309,415)(310,416)(311,341)(312,417)(313,
     368)(314,418)(315,419)(317,420)(319,421)(320,422)(322,423)(323,424)(324,
     425)(326,426)(327,427)(329,428)(331,429)(332,430)(333,431)(336,432)(338,
     433)(340,434)(342,435)(343,436)(344,437)(345,438)(348,439)(349,440)(350,
     441)(351,442)(353,443)(355,444)(357,445)(360,446)(361,447)(362,448)(364,
     449)(366,450)(367,451)(369,452)(370,453)(371,454)(373,455)(374,456)(376,
     457)(378,458)(459,547)(460,542)(461,548)(462,544)(463,549)(464,550)(465,
     551)(466,546)(467,552)(468,553)(469,554)(470,524)(471,515)(472,555)(473,
     556)(474,518)(475,557)(476,558)(477,559)(478,528)(479,560)(480,514)(481,
     534)(482,561)(483,562)(484,522)(485,563)(486,564)(487,565)(488,536)(489,
     566)(490,525)(491,567)(492,532)(493,568)(494,538)(495,569)(496,540)(497,
     570)(498,504)(499,571)(500,506)(501,572)(502,510)(503,573)(505,574)(507,
     575)(508,576)(509,577)(511,578)(512,579)(513,580)(516,581)(517,582)(519,
     583)(520,584)(521,585)(523,586)(526,587)(527,588)(529,589)(530,590)(531,
     591)(533,592)(535,593)(537,594)(539,595)(541,596)(543,597)(545,598)(599,
     612)(600,625)(601,626)(602,627)(603,628)(604,629)(605,630)(606,631)(607,
     632)(608,633)(609,634)(610,635)(611,636)(613,637)(614,638)(615,639)(616,
     640)(617,641)(618,642)(619,643)(620,644)(621,645)(622,646)(623,647)(624,
     648)(649,657)(650,661)(651,655)(652,662)(653,663)(654,664)(656,665)(658,
     666)(659,667)(660,668)(669,672)(670,671);