[1,1,2,2,4,3,5,4,6,6,7,6,9,7,10,9,11,9,12,11,13, 12,13,12,17,14,16,15,17,16,19,16,19,19,20,19,24, 19,21,22,25,21,26,22,26,25,26,25,29,27,28,28,29, 27,33,29,33,30,31,32,37,32,34,34,37,34,38,34,38, 38,39,36,43,38,40]