1, 10, 12, 14, 16, 18, 2, 4, 5, 6, 8, 9
1, 10, 12, 14, 16, 18, 2, 4, 5, 6, 8, 9, 1, 10, 12, 14, 16, 2, 3, 4, 6, 8