[1,2,3,4,5,5,6,7,8,8,9,9,10,11,12,12,13,13,14,15, 16,16,17,18,19,20,21,21,22,22,23,24,25,26,27,27, 28,29,30,30,31,31,32,33,34,34,35,35,36,37,38,38, 39,40,41,42,43,43,44,44,45,46,47,48,49,49,50,51, 52,52,53,53,54,55,56,56]