1, 11, 13, 15, 17, 19, 2, 21/1, 21/2, 23, 25, 27, 29, 3, 31/1, 31/2, 33, 35, 37, 39, 4, 41, 43, 45, 47, 49, 5/1, 5/2, 51/1, 51/2, 53, 6, 7, 9