[1,1,1,2,2,2,3,3,2,4,4,3,5,5,4,6,6,4,7,7,5,8,8,7, 9,9,6,10,10,8,11,11,10,12,13,8,13,14,11,14,14,12, 15,16,12,16,18,14,18,18,14,20,20,14,19,20,16,21, 24,19,21,24,18,23,24,20,24,27,23,26,25,20,29,30, 23,25,31,26]