1, 2, 3, 4, 6, 7, 8
1, 2, 3, 4, 6, 7, 8, 2, 3, 5
1, 2, 3, 4, 6, 7, 8, 2, 3, 5, 1, 10, 11, 12, 12-а, 13, 15, 16, 17, 19, 21, 25, 27, 3, 4, 5, 7, 8, 9