How to find the doorway that the K4 key will open.
Step 1: K2 - the Kryptos Doorway
We have to make some modifications to the format,
Step 2: K2 Original Matrix
Step 3: K2 and K4
Step 4: Pattern Matching
Part 5 gave us a weird looking clue but it works.
Step 5: Narrow Down the Keyhole
Step 6: Flip Key Around
Step 7: And Rotate Key
Step 8: How K4 Key Fits Inside K2 Doorway
Step 9: The Reason Why the Missing 'X' Wasn't a Mistake
Step 10: Then We're Off to the Fun Part
Trash to Treasure