Id,Puzzle Title,Date,Solver,Type,Setter,Constraints,Video,Video Length,Video Length (Minutes) 7216,Square of Squares,2025-05-20,"[""Simon""]",Latin Square,"[""Michael Lefkowitz""]","[""Arrow"",""Disjoint Groups"",""Mean Mini"",""Nested Grids"",""Region Building""]","{""alt"":""Is This A Sudoku? A New Discovery"",""caption"":""Is This A Sudoku? A New Discovery"",""img_src"":""https://img.youtube.com/vi/KI9BQYOeF6E/mqdefault.jpg"",""href"":""https://www.youtube.com/watch?v=KI9BQYOeF6E""}",01:11:23,72 5424,Russian Dolls,2023-11-29,"[""Simon""]",Latin Square,"[""ThePedallingPianist""]","[""Anti-Knight"",""Kropki"",""Nested Grids""]","{""alt"":""The Russian Doll Sudoku"",""caption"":""The Russian Doll Sudoku"",""img_src"":""https://img.youtube.com/vi/3o3X36v6vg4/mqdefault.jpg"",""href"":""https://www.youtube.com/watch?v=3o3X36v6vg4""}",00:46:36,47