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Cos2x

Cos2xCos2xCos2xCos2xCos2xCos2x
Cos2xCos2xCos2xCos2xCos2xCos2x
Cos2xCos2xCos2xCos2xCos2xCos2xCos2xCos2xCos2xCos2xCos2xCos2xCos2xCos2xCos2xCos2xCos2xCos2xCos2xCos2xCos2xCos2xCos2xCos2xCos2xCos2xCos2xCos2xCos2xCos2xCos2xCos2xCos2xCos2xCos2xCos2x