Id,Puzzle Title,Date,Solver,Setter,Constraints,Video,Video Length,Video Length (Minutes) 1135,Group Sum Doppelblock,2020-05-07,"[""Mark""]","[""Freddie Hand""]","[""Blanks"",""Group Sums"",""Sandwich""]","{""alt"":""Shooting Blanks"",""caption"":""Shooting Blanks"",""img_src"":""https://img.youtube.com/vi/a3WIqsyEBCU/mqdefault.jpg"",""href"":""https://www.youtube.com/watch?v=a3WIqsyEBCU""}",00:13:46,14