18, 20, 14, 6, 2
42, 49, 7, 21, 63
63, 9 , 45, 27, 81
24, 32, 8, 72, 16
50, 10, 5, 25, 30....
36, 6, 48, 60, 18
4, 36, 24, 16, 8
9, 27, 15, 3, 30
