Id,Puzzle Title,Date,Solver,Setter,Constraints,Video,Video Length,Video Length (Minutes) 6440,Climbing the Stairs,2024-10-05,"[""Mark""]","[""Aad van de Wetering""]","[""Clone"",""Difference""]","{""alt"":""The Stairway to Sudoku Heaven"",""caption"":""The Stairway to Sudoku Heaven"",""img_src"":""https://img.youtube.com/vi/Ln6-GYKiB1o/mqdefault.jpg"",""href"":""https://www.youtube.com/watch?v=Ln6-GYKiB1o""}",00:18:00,18