apollo. (2026). Naibbe cipher tables and example plaintexts (greshko/naibbe-cipher, commit 719f2f4c) (Version 1.0) [Data set]. Mysteries Department. https://mysteriesdept.com/datasets/DAT0DCE1XF9J2MB/naibbe-cipher-tables-and-example-plaintexts-greshko-naibbe