C31321211113313121133133313331333133313331123313331333131223213211232311   >>    C3132121111331312113313331333133313331333112331333133313122321321123231   <<    C31321211113313121133133313331333133313331123313331333131223213211232313   >>      C31321211113313121133133313331333133313331123313331333131223213211232312   >>