http://math.uchicago.edu/~wald/con19a.pdf
http://math.uchicago.edu/~wald/con19b.pdf
http://math.uchicago.edu/~wald/con19c.pdf
(The cryptics I brought to the 2019 National Puzzlers' League convention, forming a three-puzzle suite.)
http://math.uchicago.edu/~wald/con19a.pdf
http://math.uchicago.edu/~wald/con19b.pdf
http://math.uchicago.edu/~wald/con19c.pdf
(The cryptics I brought to the 2019 National Puzzlers' League convention, forming a three-puzzle suite.)
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