Leo Izen - 2010-09-10

Hello, I want to develop an encoder to use for myself (or public, if it is really good.). I know my date is going to have redundancies of about 4-12 characters long throughout. Would it be more efficient to apply run-length encoding then Lzma, or Just Lzma? Don't say something like "Just try both and see" because I can't spend forever testing. Thanx!