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R 2 is

R 2 isR 2 isR 2 isR 2 is
R 2 isR 2 isR 2 isR 2 isR 2 isR 2 isR 2 isR 2 is
R 2 isR 2 isR 2 isR 2 isR 2 isR 2 isR 2 isR 2 isR 2 isR 2 isR 2 isR 2 is
R 2 isR 2 isR 2 isR 2 isR 2 isR 2 isR 2 isR 2 isR 2 isR 2 isR 2 isR 2 isR 2 isR 2 isR 2 isR 2 is
R 2 isR 2 isR 2 isR 2 isR 2 isR 2 isR 2 isR 2 is