Id,Puzzle Title,Date,Solver,Setter,Constraints,Video,Video Length,Video Length (Minutes) 2921,Ratio Killer Sudoku,2022-03-29,"[""Mark""]","[""Emerson Denner""]","[""Killer"",""Kropki""]","{""alt"":""An Approachable Killer"",""caption"":""An Approachable Killer"",""img_src"":""https://img.youtube.com/vi/tfMnFk6BelI/mqdefault.jpg"",""href"":""https://www.youtube.com/watch?v=tfMnFk6BelI""}",00:14:06,15