Id,Puzzle Title,Date,Solver,Setter,Constraints,Video,Video Length,Video Length (Minutes) 5918,Primal Roots,2024-04-26,"[""Mark""]","[""Matt Tressel""]","[""Adjacency"",""Kropki"",""Primes""]","{""alt"":""Investigating Sudoku's Primal Roots"",""caption"":""Investigating Sudoku's Primal Roots"",""img_src"":""https://img.youtube.com/vi/KpsZ7LI8PLg/mqdefault.jpg"",""href"":""https://www.youtube.com/watch?v=KpsZ7LI8PLg""}",00:30:18,31