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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