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4x 2y 2 2x y

4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y4x 2y 2 2x y