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