Let . Let be defined as the set of all distinct base-16 numbers that are permutations of (for example, , , and are all part of ). If an element in (let's call it ) that satisfies the condition in base ten is also in the set , find the last four digits of the sum of all values in in base ten.
For example, would be in because when both and are converted into base 10 ( and , respectively), the difference between these corresponding base-10 values is divisible by 10.
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