[1,2,2,3,2,4,2,4,3,4,6,4,4,5,6,6,4,8,3,4,6,8,6,4, 9,8,8,6,10,3,6,8,8,12,6,7,8,12,6,10,5,12,12,12,6, 9,8,12,10,16,4,12,8,8,12,15,6,12,12,10,16,6,18,8, 14,9,12,16,16,12,9,20,6,6,8,18,9,16,16,18,12,18, 12,14]