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F x 1 4 x x2

F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2
F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2
F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2
F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2
F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2F x 1 4 x x2