[1,3,1,3,5,3,5,7,5,7,5,7,9,7,9,7,9,11,9,11,13,11, 13,11,13,15,13,15,17,15,17,15,17,19,17,19,17,19, 21,19,21,23,21,23,21,23,25,23,25,23,25,27,25,27, 29,27,29,27,29,31,29,31,33]