[1,2,4,4,6,8,8,10,12,12,14,16,16,18,20,20,22,24, 24,26,28,28,30,32,32,34,36,36,38,40,40,42,44,44, 46,48,48,50,52,52,54,56,56,58,60,60,62,64,64,66]