Id,Puzzle Title,Date,Solver,Setter,Constraints,Video,Video Length,Video Length (Minutes) 3537,Kropki's Ladder,2022-08-18,"[""Mark""]","[""GavinR""]","[""Kropki""]","{""alt"":""What Domino Sudoku is All About"",""caption"":""What Domino Sudoku is All About"",""img_src"":""https://img.youtube.com/vi/RMstsSm-GCQ/mqdefault.jpg"",""href"":""https://www.youtube.com/watch?v=RMstsSm-GCQ""}",00:21:42,22