Whats the wonder mail code for the friend area boulder cave in Pokemon blue rescue team?

This is the description (and wondermail code) of a really easy mission that can get you a Frustration TM. Good luck!

Mission:

Help!

I don't know how I did it, but I can't exit!

Someone, help!

Client: Absol

Objective: Help me.

Place: Tiny Woods B2F

Difficulty: E

Reward: 200 POKe + ? [Frustration]

Wonder Mail:

??-N 6C.? 4961

%#?? 6?76 F??W