Id,Puzzle Title,Date,Solver,Setter,Constraints,Video,Video Length,Video Length (Minutes) 874,4~6 Sudoku,2019-11-12,"[""Simon""]","[""gjchangmu""]","[""Sandwich""]","{""alt"":""A \""4 to 6\"" Sandwich Sudoku"",""caption"":""A \""4 to 6\"" Sandwich Sudoku"",""img_src"":""https://img.youtube.com/vi/ZzH2_tjQAHE/mqdefault.jpg"",""href"":""https://www.youtube.com/watch?v=ZzH2_tjQAHE""}",00:22:16,23