{"id":"slow-fast-second-middle","text":"For even-length lists, `middle_of_the_linked_list` returns the second middle node because the while condition checks `fast` before `fast.next`, causing `fast` to overshoot to `None`.","truth_value":"IN","source":"entries/2026/06/06/middle-of-the-linked-list-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"slow-fast-second-middle","truth_value":"IN","reason":"premise"}]}}