Id,Puzzle Title,Date,Solver,Setter,Constraints,Video,Video Length,Video Length (Minutes) 4199,Borobudur,2023-01-31,"[""Mark""]","[""Philipp Blume""]","[""Region Sum Lines"",""XY-Differences""]","{""alt"":""The Hippo Shares His Secrets"",""caption"":""The Hippo Shares His Secrets"",""img_src"":""https://img.youtube.com/vi/UudquRlUfvA/mqdefault.jpg"",""href"":""https://www.youtube.com/watch?v=UudquRlUfvA""}",00:27:19,28 1658,XY Differences IV,2021-01-07,"[""Mark""]","[""Philipp Blume""]","[""XY-Differences""]","{""alt"":""Two Digits? Too Generous!"",""caption"":""Two Digits? Too Generous!"",""img_src"":""https://img.youtube.com/vi/dgLYKopOsF0/mqdefault.jpg"",""href"":""https://www.youtube.com/watch?v=dgLYKopOsF0""}",00:30:29,31