[1,1,3,2,5,1,7,4,9,5,11,2,13,7,15,8,17,3,19,10,21, 11,23,4,25,13,27,14,29,1,31,16,33,17,35,6,37,19, 39,20,41,7,43,22,45,23,47,8,49,25,51,26,53,9,55, 28,57,29,59,2,61,31,63,32,65,11,67,34,69,35,71,12, 73,37,75,38,77]