CW@ 3 cell brainfuck substitution

this is a way to convert any COPY WITH @ code to brainfuck with 3 cells and the other way around

substiution

all code needs to start with:

-@@

then these are the substitutions:

BF	CW@
>	↷↷
<	↷
.	;
+	+
-	-
,	#?
[...]	{...}