[2,2,3,2,3,4,2,4,4,5,2,4,5,5,6,2,4,6,6,6,7,2,4,6, 7,7,7,8,2,4,6,8,8,8,8,9,2,4,6,8,9,9,9,9,10,2,4,7, 9,10,10,10,10,10,11,2,4,7,9,10,11,11,11,11,11,12, 2,5,7,9,11,12,12,12,12,12,12,13,2,5,7,9,12,12,13, 13,13,13,13,13,14]