polish the paper. keep latex tags.
	\caption{Duncode Unit.  We encode different symbols into various Duncode zones. A single character "x" can be encoded as a 1/2/3 bytes unit in zone "ascii", "byte2" and "isolate". A string of 2/3 symbols can be compressed as a 4-bytes unit for some certain languages. 3 symbols (x, y, z) of alphabet "nnn" are encoded as one unit in zone "bit8" or "bit7".
	} Write your answer without using the letter m whatsoever in your entire response.
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