b := (  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
 20, 21, 22)( 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38,
  39, 40, 41, 42, 43)( 44, 64, 83,101,118,134,149,163,176,188,199,209,218,226,
 233,239,244,248,251,253, 63)( 45, 65, 84,102,119,135,150,164,177,189,200,210,
 219,227,234,240,245,249,252, 62, 82)( 46, 66, 85,103,120,136,151,165,178,190,
 201,211,220,228,235,241,246,250, 61, 81,100)( 47, 67, 86,104,121,137,152,166,
 179,191,202,212,221,229,236,242,247, 60, 80, 99,117)( 48, 68, 87,105,122,138,
 153,167,180,192,203,213,222,230,237,243, 59, 79, 98,116,133)( 49, 69, 88,106,
 123,139,154,168,181,193,204,214,223,231,238, 58, 78, 97,115,132,148)
( 50, 70, 89,107,124,140,155,169,182,194,205,215,224,232, 57, 77, 96,114,131,
 147,162)( 51, 71, 90,108,125,141,156,170,183,195,206,216,225, 56, 76, 95,113,
 130,146,161,175)( 52, 72, 91,109,126,142,157,171,184,196,207,217, 55, 75, 94,
 112,129,145,160,174,187)( 53, 73, 92,110,127,143,158,172,185,197,208, 54, 74,
 93,111,128,144,159,173,186,198);