{"id":"well-spaced-third-occurrence-bug","text":"If a letter appeared three times (violating the precondition), the third occurrence would silently compare against the first occurrence's index rather than the second — a latent bug guarded only by the problem's guarantee.","truth_value":"IN","source":"entries/2026/06/06/check-distances-between-same-letters-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"well-spaced-third-occurrence-bug","truth_value":"IN","reason":"premise"}]}}