1, 2, 2а, 3, 4, 5, 6, 7, 8
1, 2, 2а, 3, 4, 5, 6, 7, 8, 1, 2, 4, 6
1, 2, 2а, 3, 4, 5, 6, 7, 8, 1, 2, 4, 6, 1, 2, 3, 4, 5, 6, 7, 8, 9