Id,Puzzle Title,Date,Solver,Setter,Constraints,Video,Video Length,Video Length (Minutes) 1700,Irregular Sudoku,2021-01-28,"[""Mark""]","[""Philipp Blume""]","[""Irregular""]","{""alt"":""Sudoku: Competition Strategy"",""caption"":""Sudoku: Competition Strategy"",""img_src"":""https://img.youtube.com/vi/GXqDTU5vB2w/mqdefault.jpg"",""href"":""https://www.youtube.com/watch?v=GXqDTU5vB2w""}",00:30:54,31