we're working with now 0-3 0.8 and say okay it's again an a so it must have fallen within the first 80% of that new interval then it's a B which means that's fall in the last 20% the last 20% of that interval there and then it's a a which again means the first 80% so end up with is let me take a different color that's more visible is a lot of green already end up with the notion that this string a ABA gets mapped to a very specific interval within the 0 to 1 interval and the way we do this it should be clear that is unique for every