A) 1, 2, 6, 7, 8, 9, 10, 16, 17, 18
B) 2, 4, 7, 8, 11, 10, 16, 17, 18
C) 2, 4, 8, 10, 12, 14, 18, 20
D) 1, 3, 6, 9, 12, 15, 18, 21, 24
