[2,7,11,13,17,19,23,31,41,43,47,61,71,73,83,97, 101,103,107,109,113,127,131,139,149,151,167,181, 191,193,197,199,227,229,233,241,251,271,281,283, 293,307,311,313,317,331,347,349,353,367,383,397, 401,409,419,421]