b := (  1,228,125)(  2, 42,171)(  3, 13,104)(  4, 24,194)(  5, 17, 39)
(  6,122,187)(  7,178,138)(  8,226,217)(  9,190,136)( 10,129, 73)( 11,153,107)
( 12,189, 27)( 14,156, 60)( 15, 78,213)( 16,146,108)( 18, 71,126)( 19,109, 32)
( 20,172,170)( 21,151, 59)( 22, 99,188)( 23,174, 83)( 25, 33, 61)( 26,113, 37)
( 28,191,223)( 29,221,160)( 30, 36, 79)( 31,209,158)( 34,234,102)( 35, 49,192)
( 38,157, 94)( 40, 76,224)( 41, 96,149)( 43,119, 67)( 44, 98, 56)( 45,161,212)
( 46,199,220)( 47,231,105)( 48,124,100)( 50,114, 97)( 51,166,216)( 52, 81,204)
( 53,117, 70)( 54,141,130)( 55, 80,219)( 57, 92,218)( 58,148,135)( 62,168,120)
( 63,154,164)( 64,185,201)( 65,165,133)( 66, 77,215)( 68,145,211)( 69,123,111)
( 72,230,193)( 74,196,222)( 75,110,181)( 82,167,197)( 84,225,144)( 85,202,232)
( 86,115,195)( 87,112,180)( 88,131,137)( 89,152,186)( 90,101,184)( 91,127,175)
( 93,177,203)( 95,206,169)(103,198,214)(106,134,142)(116,183,233)(118,132,207)
(121,179,200)(128,150,162)(139,176,208)(140,210,155)(143,163,205)(147,229,227)
(159,182,173);