Id,Puzzle Title,Date,Solver,Setter,Constraints,Video,Video Length,Video Length (Minutes) 1979,Classic Swirl,2021-06-07,"[""Mark""]","[""Matthias Frank""]","[""Classic""]","{""alt"":""Very Approachable Sudoku"",""caption"":""Very Approachable Sudoku"",""img_src"":""https://img.youtube.com/vi/ydbYIEGEEJ4/mqdefault.jpg"",""href"":""https://www.youtube.com/watch?v=ydbYIEGEEJ4""}",00:13:34,14