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