Id,Puzzle Title,Date,Solver,Setter,Constraints,Video,Video Length,Video Length (Minutes) 1139,Quad Sudoku,2020-05-09,"[""Mark""]","[""Bastien Vial-Jaime""]","[""Group Sums""]","{""alt"":""A Gorgeous Logical Path"",""caption"":""A Gorgeous Logical Path"",""img_src"":""https://img.youtube.com/vi/V9zk1i2FQB0/mqdefault.jpg"",""href"":""https://www.youtube.com/watch?v=V9zk1i2FQB0""}",00:21:37,22