[1,1,2,2,3,2,3,3,3,3,4,3,4,4,4,4,5,4,5,5,5,5,6,5, 6,6,6,6,7,6,7,7,7,7,8,7,8,8,8,8,9,8,9,9,9,9,10,9, 10,10,10,10,11,10,11,11,11,11,12,11,12,12,12,12, 13,12,13,13,13,13,14,13,14,14,14,14,15,14,15,15, 15,15,16]