{"id":"finding-3digit-multiplicity-enforced","text":"The `Counter` comparison `freq[d] >= needed[d]` ensures each digit is used at most as many times as it appears in the input array.","truth_value":"IN","source":"entries/2026/06/06/finding-3-digit-even-numbers-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"finding-3digit-multiplicity-enforced","truth_value":"IN","reason":"premise"}]}}