YOU SAID:
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INTO JAPANESE
qwertyuiop[]\asdfghjkl;'zxcvbnm,. qwertyuiop[]22148-zxxzdzfbu sdz
BACK INTO ENGLISH
qwertyuiop[]\asdfghjkl;'zxcvbnm,. qwertyuiop[]22148-zxxzdzfbu sdz
INTO JAPANESE
qwertyuiop[]\asdfghjkl;'zxcvbnm,. qwertyuiop[]22148-zxxzdzfbu sdz
BACK INTO ENGLISH
qwertyuiop[]\asdfghjkl;'zxcvbnm,. qwertyuiop[]22148-zxxzdzfbu sdz
You've done this before, haven't you.