{"url":"/dataset/rrn-sudoku","name":"rrn-sudoku","full_name":"RRN sudoku instances dataset","description_markdown":"A set of 180,000 Sudoku grids with a variable number of hints from the minimal number of 17 (extremely hard instances) to 34 (easy instances), with 10,000 instances per level of hardness.\r\n\r\nTraining how to play the hardest Sudoku instances is a bit of a challenge.","description_withheld":null,"homepage":"https://www.dropbox.com/s/rp3hbjs91xiqdgc/sudoku-hard.zip","introduced_date":null,"introduced_date_note":null,"introduced_by":{"paper":"/paper/recurrent-relational-networks","title":"Recurrent Relational Networks","first_author":"Rasmus Berg Palm","url":null},"license":{"name":"Unknown","url":null},"modalities":[{"name":"Texts","url":"/datasets/modality/texts"}],"tasks":[{"name":"Game of Sudoku","url":"/task/suduko","datasets_with_task":"/datasets/task/suduko"}],"languages":[],"variants":["rrn-sudoku"],"data_loaders":[],"num_papers_in_archive":2,"source":{"archive":"pwc-archive (Hugging Face), CC BY-SA 4.0","snapshot":"2025-07-28"},"benchmarks":[],"papers_with_a_benchmark_row":[],"syntology_totals":{"read_at":"2026-09-24T18:15:14+00:00","papers_with_samples":0,"samples_harvested":0,"samples_ran":0,"samples_unverified":0,"pointer_only_for_licence":0,"papers_with_no_sample_that_ran":0,"note":"the per-paper counts above, summed; not a rate"},"papers_note":"The archive never published its papers-using-dataset list; these are papers with a leaderboard row on this dataset's benchmarks."}