{"database": "ctc-catalogue", "table": "pencil_puzzles", "rows": [[7139, "Dueling Dragons", "2025-04-29", "[\"Simon\"]", "Latin Square", "[\"IcyFruit\"]", "[\"Count\",\"Extra Regions\",\"Neighbour Sums\",\"Primes\",\"Region Building\"]", "{\"alt\":\"The Hardest Sudoku Ever Just Got Even HARDER (4 Hours!!)\",\"caption\":\"The Hardest Sudoku Ever Just Got Even HARDER (4 Hours!!)\",\"img_src\":\"https://img.youtube.com/vi/vMdx3kmNFh4/mqdefault.jpg\",\"href\":\"https://www.youtube.com/watch?v=vMdx3kmNFh4\"}", "04:03:06", 244]], "columns": ["Id", "Puzzle Title", "Date", "Solver", "Type", "Setter", "Constraints", "Video", "Video Length", "Video Length (Minutes)"], "primary_keys": ["Id"], "primary_key_values": ["7139"], "units": {"Video Length (Minutes)": "minute"}, "query_ms": 1680.8114129999012, "source": "Cracking the Cryptic Catalogue", "source_url": "https://docs.google.com/spreadsheets/d/1rVqAjm-l_Urjd3TNmIc3SmTmz_OlgSoBuhY7RPgiuRg/edit?usp=sharing"}