# Legen public Sudoku data license

The public data files in this directory are licensed under the Creative Commons Attribution 4.0 International (https://creativecommons.org/licenses/by/4.0/).

You may share and adapt these public data files, including for commercial use, provided that you give appropriate credit, link to the license, and indicate whether you made changes.

Suggested attribution: “Legen public puzzle data — https://sudoku.legen.uk/sudoku-data — CC BY 4.0”.

This license covers only the published JSON, CSV, schema, manifest, report, and this license notice in `public/data/sudoku/v1/`. It does not license the Legen name or branding, website source code, private corpus, generators, seeds, proofs, commitments, unpublished data, or third-party material.