{"id":"rings-stride-2-parsing","text":"`countPoints` parses the input string with `range(0, len(rings), 2)` stride-2 indexing, relying on the guaranteed alternating color-char/digit-char format rather than regex or explicit parsing.","truth_value":"IN","source":"entries/2026/06/06/rings-and-rods-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"rings-stride-2-parsing","truth_value":"IN","reason":"premise"}]}}