1, 11, 12, 13, 15, 16, 17, 18, 19, 2, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 3, 30, 32, 33, 34, 35, 36, 39, 4, 40, 41, 42, 43, 44, 45, 46, 47, 49, 5, 50, 52, 53, 54, 6, 8, 9