[1,2,3,1,5,2,7,1,9,2,11,1,13,2,15,1,17,2,19,1,21, 2,23,1,25,2,27,1,29,2,31,1,33,2,35,1,37,2,39,1,41, 2,43,1,45,2,47,1,49,2,51,1,53,2,55,1,57,2,59,1,61, 2,63,1,65,2,67,1,69,2,71,1,73,2,75,1,77,2,79,1,81, 2,83]