Given an angle of $54^{\circ}$. Using only a compass, divide it into three equal parts (that is, find such points so that the rays passing through the vertex of the given angle and these points divide the angle into three equal parts).

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$7 \cdot 54^{\circ}=378^{\circ}=360^{\circ}+18^{\circ}$.

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$7 \cdot 54^{\circ}=378^{\circ}=360^{\circ}+18^{\circ}$.

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