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notes.md

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+# Spoilers!
+
+Note: Codes seem to be unique for every user.
+
+## Code 1
+Found in `arch-spec`.
+
+    == hints ==
+    - Here's a code for the challenge website: ............
+
+## Code 2
+Obtained on initial execution of code. (Or just be lazy like me and extract it from the binary.)
+
+    Welcome to the Synacor Challenge!
+    Please record your progress by putting codes like
+    this one into the challenge website: ............
+
+Required opcodes: `nop` and `out`
+
+## Code 3
+Obtained at the completion of the self-test.
+
+    Executing self-test...
+    
+    self-test complete, all tests pass
+    The self-test completion code is: ............
+
+Required opcodes: All except `halt` and `in`
+
+## Code 4
+At the foothills, the first area of the RPG:
+
+    == Foothills ==
+    Things of interest here:
+    - tablet
+    
+    > take tablet
+    
+    > use tablet
+    You find yourself writing "............" on the tablet.  Perhaps it's some kind of code?
+
+Required opcodes: All except `halt`