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