Thanks for participating in our contest!
Author: Kuroni
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Author: Ari
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Author: Ari
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Author: Ari
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Apologies to the testers who had to solve this as if it was the second easiest problem in the contest :^)
Author: Both of us!
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One more fun fact for your consideration: This problem's name in Polygon is "sorrow".
Author: Kuroni
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