[2,3,5,7,199,919,991,2999,9929,11177,11717,17117,
31333,33331,71171,71711,161611,616111,999499,
1111333,1131133,1131331,1133131,1313311,3111313,
3111331,3131113,3131311,3133111,3311131,3337777,
3377377,3773377,3773773,7377373,7733377,7737337,
7737733,32333333]
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