a21 := (3,4,6,9,13,18,26,37,51,71,95)(7,10,14,20,29,41,30,42,57,80,104)(11,15,
     22,33,46,64,27,38,52,73,98)(16,23,32,45,39,53,74,100,58,81,105)(19,21,31,
     44,61,60,84,108,127,130,49)(24,28,40,34,47,66,83,87,112,90,115)(35,48,68,
     62,86,111,107,109,106,76,101)(43,59,82,96,121,93,56,78,99,123,126)(54,75,
     85,110,77,102,124,69,79,63,88)(55,72,97,65,67,91,117,103,122,132,119)(89,
     114,128,92,118,113,129,116,131,133,125);