b=" "c=b w=b for i=1,999 do a,b,c=b,c,io.read(1)or" "q,w=w,2==c:byte(1)-a:byte(1)and"-"or b _=w==q or io.write(w)end
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
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