1, 2, 3а, 4, 5, 6, 7
1, 2, 3а, 4, 5, 6, 7, 1, 10, 11, 12, 13, 14, 16, 17, 18, 2, 20, 21, 22, 24, 25, 27, 3, 31, 35, 5, 7