Id,Puzzle Title,Date,Solver,Setter,Constraints,Video,Video Length,Video Length (Minutes) 987,Factor Sudoku,2020-02-21,"[""Mark""]","[""Ollie Hines""]","[""Division"",""Extra Regions""]","{""alt"":""\""Mental Arithmetic\"" Sudoku Challenge"",""caption"":""\""Mental Arithmetic\"" Sudoku Challenge"",""img_src"":""https://img.youtube.com/vi/FBWeBad8sIA/mqdefault.jpg"",""href"":""https://www.youtube.com/watch?v=FBWeBad8sIA""}",00:15:46,16