Id,Puzzle Title,Date,Solver,Setter,Constraints,Video,Video Length,Video Length (Minutes) 880,Sudoku #880,2019-11-18,"[""Mark""]","[""Justin Smart""]","[""Clone"",""Extra Regions""]","{""alt"":""Mirror Sudoku"",""caption"":""Mirror Sudoku"",""img_src"":""https://img.youtube.com/vi/Wfxr4-5hDiU/mqdefault.jpg"",""href"":""https://www.youtube.com/watch?v=Wfxr4-5hDiU""}",00:13:28,14