It's still very fuzzy and I cant really tell for sure yet, but it looks like [url=http://en.wikipedia.org/wiki/ShotCode]this[/url] might be something to keep in mind today.
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I don't think so, it's getting another shape.
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It might be - however they would be limited with this approach because the code would have to be symmetric
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O many u might be right! i was really getting thrown there.