If you successfully solved the first three Zyptograms in this package (next post, below), you're ready to move on to the elimination round. Zyp 4 is rated "difficult," and Zyp 5 is what Cryptopop calls a "stumper."
4. COXM CODJVOZJNG EOVCM EZLJGNV CODJG COXLCJ.
5. TRJQ OXRPJT OSXRPB QRPOS TQRPORB.