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SHARYGIN 2022 Problem 10

    Let ω1\omega_1 be the circumcircle of triangle ABCABC and OO be its circumcenter. A circle ω2\omega_2 touches the sides AB,ACAB, AC , and touches the arc BCBC of ω1\omega_1 at point KK . Let II be the incenter of ABCABC . Prove that the line OIOI contains the symmedian of triangle AIKAIK .

    Dataset text AI-MO AoPS. Quoted with source.

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