Id,Puzzle Title,Date,Solver,Setter,Constraints,Video,Video Length,Video Length (Minutes) 7526,Clueless Entropy Sudoku 2,2025-08-20,"[""Mark""]","[""Alf Smith""]","[""Entropy"",""Indexing""]","{""alt"":""Not ABSOLUTELY Clueless!"",""caption"":""Not ABSOLUTELY Clueless!"",""img_src"":""https://img.youtube.com/vi/nkMCRP6Obzw/mqdefault.jpg"",""href"":""https://www.youtube.com/watch?v=nkMCRP6Obzw""}",00:33:32,34 7140,Clueless Sudoku 6,2025-04-29,"[""Mark""]","[""Alf Smith""]","[""Indexing""]","{""alt"":""Is This the New Gold Standard of Sudoku?"",""caption"":""Is This the New Gold Standard of Sudoku?"",""img_src"":""https://img.youtube.com/vi/6fAWESYwm0Y/mqdefault.jpg"",""href"":""https://www.youtube.com/watch?v=6fAWESYwm0Y""}",00:24:38,25