[1,1,2,2,2,2,2,2,3,3,3,3,3,3,5,5,5,5,5,5,5,6,8,8, 8,8,8,8,8,9,9,9,9,9,9,9,9,9,9,9,9,9,11,11,11,11, 11,11,11,11,14,14,14,14,14,14,14,14,14,14,15,18, 18,18,18,18]