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