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SHARYGIN 2014 Problem 9

    Two circles ω1\omega_1 and ω2\omega_2 touching externally at point LL are inscribed into angle BACBAC . Circle ω1\omega_1 touches ray ABAB at point EE , and circle ω2\omega_2 touches ray ACAC at point MM . Line ELEL meets ω2\omega_2 for the second time at point QQ . Prove that MQ∥ALMQ\parallel AL .

    Dataset text AI-MO AoPS. Quoted with source.

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