{"id":"strobogrammatic-uses-rotation-not-equality","text":"The strobogrammatic check compares `mapping[num[left]]` against `num[right]`, not `num[left]` against `num[right]` — \"69\" is strobogrammatic but not a palindrome","truth_value":"IN","source":"entries/2026/06/06/strobogrammatic-number-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"strobogrammatic-uses-rotation-not-equality","truth_value":"IN","reason":"premise"}]}}