C111123313121111121111331333133313331333133313331333133312111133131212121   >>    C11112331312111112111133133313331333133313331333133313331211113313121212   <<    C111123313121111121111331333133313331333133313331333133312111133131212123   >>      C111123313121111121111331333133313331333133313331333133312111133131212122   >>