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