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F x x 4 4x 2

F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2
F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2
F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2F x x 4 4x 2