a := (  1, 23,  2)(  3, 24, 44)(  4, 25, 45)(  5, 26, 46)(  6, 27, 47)
(  7, 28, 48)(  8, 29, 49)(  9, 30, 50)( 10, 31, 51)( 11, 32, 52)( 12, 33, 53)
( 13, 34, 54)( 14, 35, 55)( 15, 36, 56)( 16, 37, 57)( 17, 38, 58)( 18, 39, 59)
( 19, 40, 60)( 20, 41, 61)( 21, 42, 62)( 22, 43, 63);