1, 2, 3, 3, 4, 7, 7, 8, 7, 10, 11, 10, 13, 11, 15, 16, 19, 18, 14, 20, 21, 20, 21, 21, 25, 22, 27, 31, 23, 30, 31, 35, 28, 27, 35, 36, 37, 38, 32, 34, 41, 39, 43, 35, 49, 46, 43, 48, 42, 55, 51, 49, 50, 38, 55, 52, 57, 63, 47, 60, 54, 62, 63, 51, 65, 66, 67