{"id":"license-key-first-group-remainder","text":"In license-key-formatting, the first group size equals `len(cleaned) % k`; all subsequent groups are exactly `k` characters.","truth_value":"IN","source":"entries/2026/06/06/license-key-formatting-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"license-key-first-group-remainder","truth_value":"IN","reason":"premise"}]}}