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A n 1 a 2n

A n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2n
A n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2n
A n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2nA n 1 a 2n