C111123313121111121111331333133313331331122133313113313232213112233121   >>    C11112331312111112111133133313331333133112213331311331323221311223312   <<    C111123313121111121111331333133313331331122133313113313232213112233123   >>      C111123313121111121111331333133313331331122133313113313232213112233122   >>