[2,2,3,3,3,5,5,5,7,5,7,5,7,7,7,11,7,11,7,11,13,11, 13,11,13,11,13,11,13,17,11,13,17,11,13,17,19,11, 13,17,19,11,13,17,19,13,17,19,13,17,19,23,13,17, 19,23,13,17,19,23]