[2,3,5,11,13,17,23,43,47,71,73,97,103,107,113,137, 139,163,167,181,191,193,197,199,223,227,239,257, 269,277,281,283,307,311,313,317,347,349,373,383, 433,449,463,467,491,503,523,557,587,601,607,613, 617,643,647]