1, 10, 11, 12, 14, 18, 20, 21, 22, 23, 25, 26, 27, 28, 29, 3, 31, 32, 33, 35, 36, 38, 4, 41, 42, 43, 44, 45, 46, 47, 49, 50, 51, 53, 7, 8, 9