[2,2,3,4,4,6,4,8,6,10,11,12,13,14,4,16,8,18,19,20, 6,22,23,24,25,26,10,28,29,30,11,32,12,34,35,36,37, 38,39,40,41,42,43,44,13,46,47,48,49,50,14,52,53, 54,55,56,57,58,59,60,61,62,4,64,16,66,67,68]