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