[1,2,2,3,3,4,4,4,6,6,5,5,8,8,9,6,6,10,10,12,12,7, 7,12,12,15,15,16,8,8,14,14,18,18,20,20,9,9,16,16, 21,21,24,24,25,10,10,18,18,24,24,28,28,30,30,11, 11,20,20,27,27,32,32,35,35,36]