b := (  1,123,144)(  2,133,154)(  3, 72,167)(  4,151, 34)(  5, 85, 28)
(  6,166,176)(  7, 38, 26)(  8,225,161)(  9,197,145)( 10,180, 70)( 11,220,189)
( 12, 86,193)( 13, 44, 25)( 14,190,121)( 15,216,149)( 16,114,177)( 17,126, 47)
( 18, 68,105)( 19,157,109)( 20,213,228)( 21,202,153)( 22,104,137)( 23,192, 46)
( 24,146,122)( 27,155,131)( 29,140,173)( 30,124, 75)( 31, 49, 64)( 32,168,120)
( 33,172,209)( 35,100,163)( 36,128, 61)( 37,156, 87)( 39, 84,191)( 40, 88, 57)
( 41,207, 97)( 42,132, 80)( 43,116, 52)( 45,101,111)( 48,110,205)( 50,152,134)
( 51, 54,188)( 53, 99,150)( 55,130,136)( 56,142,169)( 58, 66, 90)( 59,212, 63)
( 60,170,195)( 62, 76,115)( 65,218,214)( 67,171, 78)( 69,184, 79)( 71,113,185)
( 73, 95,179)( 74,129,200)( 77,148,203)( 81,174,181)( 82,107,217)( 83, 94,158)
( 89,223,226)( 91,159,138)( 92,164,206)( 93,208,198)( 96,103,196)( 98,182,204)
(102,160,165)(106,210,199)(108,135,221)(112,117,175)(118,186,139)(119,183,194)
(125,227,143)(127,178,224)(141,147,222)(162,201,215)(187,211,219);