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