nerdletter/cipher/instructions.md

HOW TO DECRYPT — STEP BY STEP (using your 8-bit machine)

1. Type in the NERDLETTER DECRYPTOR BASIC program (see below)

2. RUN

3. When it asks, type the PAD groups from the appropriate page:

   VLGKU then JXCYH then LYMDC then ETLUB

4. Then type the CIPHERTEXT groups:

   HLXIB then JACJP then ERXHN then EFM

5. The machine will instantly print the plaintext!

RESULT YOU SHOULD SEE:

MARYHADALITTLELAMB

(Add spaces by hand: “Mary had a little lamb”)

This is perfect secrecy — no computer on Earth can read it without this exact Day Book page.