Enigmatic Variations 1750 (Hints)
Protégées by Vismut
Hints and tips by Phibs
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I felt there was enough in the preamble here to give Claude a fighting chance, so I asked “In a themed crossword puzzle , we are told that the completed grid includes a nickname (13 letters) and the names of three protégées to whom the nickname refers (35 letters in total); the completed grid also contains three ‘study groups, one of which is hanging upside down’, associated with these protegees. What might the theme of the puzzle be?”