[3,3,5,4,7,4,9,5,11,4,13,5,15,6,17,7,19,8,21,8,23,
 6,25,8,27,8,29,6,31,7,33,8,35,8,37,8,39,12,41,8,
 43,10,45,8,47,10,49,10,51,8,53,10,55,10,57,10,59,
 9,61,10,63,10,65,9,67,10,69,10,71,10,73,10,75,12,
 77,10,79,10]