1, 1а, 2, 4, 5, 6, 7

1, 1а, 2, 4, 5, 6, 7, 1, 10, 12, 13, 14, 16, 17, 18, 19, 2, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 3, 30, 32, 34, 36, 38, 4, 40, 42, 44, 46, 48, 49, 5, 6, 7, 8, 9