Emerald Hill Zone or Hill Top Zone:
A6 - Used in the Nick Arcade and Simon Wai prototypes.
AE - Used in the Nick Arcade prototype.
D8 - Used in the Nick Arcade and Simon Wai prototypes.
D9 - Used in the Nick Arcade prototype.
DA - Used in the Nick Arcade prototype.
DC - Used in the Nick Arcade prototype.
E7 - Used in the Nick Arcade and Simon Wai prototypes.
ED - Used in the Nick Arcade prototype.