Id,Puzzle Title,Date,Solver,Setter,Constraints,Video,Video Length,Video Length (Minutes) 1858,A Disjointed Killer,2021-04-12,"[""Mark""]","[""Jonny Kaufman""]","[""Disjoint Groups"",""Killer""]","{""alt"":""Sudoku in the Fourth Dimension"",""caption"":""Sudoku in the Fourth Dimension"",""img_src"":""https://img.youtube.com/vi/oawhIxPpbyo/mqdefault.jpg"",""href"":""https://www.youtube.com/watch?v=oawhIxPpbyo""}",00:20:11,21