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Re:Show HN: A curated list of great puzzles by orodley on Thursday October 22, 2015 @04:36PM (#10434873)
My favorite site for these kinds of puzzles is https://www.ocf.berkeley.edu/~wwu/riddles/intro.shtml
Re:Show HN: A curated list of great puzzles by sharkdp on Thursday October 22, 2015 @05:26PM (#10435202)
Thank you for the reference. I have never seen this page. Looks very promising.