[0,1,2,3,4,4,5,6,7,7,8,9,9,10,10,10,11,12,13,13, 14,15,15,16,16,16,17,18,18,19,19,19,20,20,20,20, 21,22,23,23,24,25,25,26,26,26,27,28,28,29,29,29, 30,30,30,30,31,32,32,33,33,33,34,34,34,34,35,35, 35,35,35,36,37,38]