1, 15, 1а, 2, 2а, 3, 4, 4а, 5, 6, 7, 8
1, 15, 1а, 2, 2а, 3, 4, 4а, 5, 6, 7, 8, 1, 10, 11, 12, 13, 15, 16, 17, 19, 2, 21, 23, 3, 4, 5, 6, 7, 8, 9