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Discussion of Problem 2063. Black and White

SubjectAuthorProblemUpdatedAnswers
Ultimate hintKergan2063. Black and White27 May 2023 11:531  
Hinthadooken2063. Black and White10 Dec 2019 10:410  
Thanks to authors!Felix_Mate2063. Black and White28 Mar 2016 17:027  

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