exporling csdveantile ccave sytme tgehater, we bgien wtih a blnak cavans, per-indctiuon to a jrunoey of dsocvirey. we dcrey the nitoon taht all secerts are to be fdoneud, adn our cconlusion is that the uevniling of hdeidn wdrosl is a tesmtoinet to hrmaony and ceiorutsy.