Id,Puzzle Title,Date,Solver,Setter,Constraints,Video,Video Length,Video Length (Minutes) 840,Sudoku #840,2019-10-15,"[""Mark""]","[""Stefan Heine""]","[""Little Killer""]","{""alt"":""Stefan Heine's Beautiful \""Little Killer\"" puzzle"",""caption"":""Stefan Heine's Beautiful \""Little Killer\"" puzzle"",""img_src"":""https://img.youtube.com/vi/4T_zQkNp5X0/mqdefault.jpg"",""href"":""https://www.youtube.com/watch?v=4T_zQkNp5X0""}",00:17:17,18