[0,1,4,4,6,5,8,8,10,8,12,12,14,13,16,16,18,15,20, 20,22,21,24,24,26,24,28,28,30,29,32,32,34,30,36, 36,38,37,40,40,42,40,44,44,46,45,48,48,50,47,52, 52,54,53,56,56,58,56,60,60,62,61,64,64,66,61,68, 68]