[2,3,5,7,13,17,31,37,71,73,79,97,101,103,107,109, 113,127,131,137,139,149,157,163,167,173,179,181, 191,193,197,199,239,241,251,271,277,281,283,293, 307,311,313,317,331,337,347,349,359,367,373,379, 389,397,401,419,421]