1, 2, 4
1, 2, 4, 1, 13, 17, 2, 3, 4, 5, 6, 7
1, 2, 4, 1, 13, 17, 2, 3, 4, 5, 6, 7, 1, 11, 13, 14, 15ка, 16, 16ка, 4, 6, 7, 8, 9