Id,Puzzle Title,Date,Solver,Setter,Constraints,Video,Video Length,Video Length (Minutes) 6849,Add On,2025-02-04,"[""Mark""]","[""James Kopp""]","[""Extra Regions"",""Modifier Cells"",""Ratio"",""Region Sum Lines""]","{""alt"":""It Just Keeps Adding up ..."",""caption"":""It Just Keeps Adding up ..."",""img_src"":""https://img.youtube.com/vi/nmUvapI4GMg/mqdefault.jpg"",""href"":""https://www.youtube.com/watch?v=nmUvapI4GMg""}",00:29:53,30