b := (  1,126, 75)(  2,224,173)(  3, 32, 19)(  4,187,168)(  5,175,211)
(  6,163, 18)(  7, 80,108)(  8,141,228)(  9,237, 30)( 10,184, 36)( 11, 82,233)
( 12,206, 83)( 13,234,143)( 14,207,213)( 15,101, 67)( 16,152, 96)( 17,172,167)
( 20,104,162)( 21,231,178)( 22,193, 69)( 23,202,118)( 24,177,192)( 25,115, 51)
( 26, 79,201)( 27,205,214)( 28, 77,174)( 29, 58, 42)( 31, 62, 52)( 33,125,222)
( 34, 85, 94)( 35, 98,220)( 37,107,122)( 38,181, 97)( 39,230,106)( 40,121, 68)
( 41,137,195)( 43,136, 55)( 44,132,127)( 45,203,147)( 46,232,198)( 47, 86, 92)
( 48,156, 65)( 49,216, 93)( 50, 66,217)( 53, 71,158)( 54,191,219)( 56, 88,124)
( 57,131,112)( 59,179, 90)( 60,114,186)( 61,182,133)( 63,111,155)( 64, 76,183)
( 70, 91,190)( 72,161,180)( 73,139,142)( 74, 84,151)( 78,153,154)( 81, 95,196)
( 87,170,197)( 89,150,130)( 99,140,105)(100,135,165)(102,129,212)(103,204,218)
(109,208,229)(110,123,128)(113,185,239)(116,223,235)(117,238,166)(119,138,227)
(120,240,209)(134,164,199)(144,188,236)(145,146,221)(148,215,225)(149,210,169)
(157,160,226)(159,200,194)(171,176,189);