b := (  1,207, 93)(  2, 73,187)(  3,156, 34)(  4,192,204)(  5,224, 66)
(  6, 79, 74)(  7,104,111)(  8, 23, 75)(  9,229, 50)( 10,163,132)( 11,196, 70)
( 12,153, 35)( 13,154,131)( 14, 68,144)( 15, 95, 99)( 16,173,217)( 17, 40,127)
( 18, 49,124)( 19,112, 65)( 20,102,141)( 21,109,220)( 22, 98,152)( 24,199,175)
( 25, 64,146)( 27,216,134)( 28, 81,105)( 29,205, 44)( 30,182,128)( 31,171, 60)
( 32,178,139)( 33,168,215)( 36,107, 63)( 37,185,181)( 38,212,136)( 39,126,149)
( 41, 84,210)( 42,117,148)( 43, 51,230)( 45,176,169)( 46,201,206)( 47, 56,214)
( 48, 88, 76)( 52,167, 89)( 53,166,203)( 54,147,101)( 55, 62,159)( 57,145,174)
( 58,108,197)( 59,130,103)( 61, 85,138)( 67, 71,151)( 69,194, 94)( 72,200, 97)
( 77,227,114)( 78,118, 90)( 80,183,208)( 82,125,184)( 83,222,172)( 86,186,211)
( 87,160, 92)( 91,143,158)( 96,198,155)(100,170,161)(106,223,135)(110,119,180)
(113,191,228)(115,123,164)(116,165,157)(120,188,193)(121,225,218)(122,189,137)
(129,213,209)(133,179,226)(142,219,195)(150,177,221)(162,190,202);