[0,1,2,3,4,4,5,6,6,7,8,8,9,10,10,10,11,12,13,14, 14,15,16,16,16,17,18,19,20,20,21,22,22,22,23,24, 25,26,26,27,28,28,28,29,30,30,31,32,33,34,34,35, 36,36,37,38,38,39,40,40,40,41,42,43,44,44,45,46, 46,46,47,48,48,49,50,51,52,52,53,54,54]