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