[0,1,1,2,3,3,3,4,5,5,5,6,7,7,7,8,9,9,9,10,11,11, 11,12,13,13,13,14,15,15,15,16,17,17,17,18,19,19, 19,20,21,21,21,22,23,23,23,24,25,25,25,26,27,27, 27,28,29,29,29,30,31,31,31,32,33,33,33,34,35,35, 35,36,37,37,37]