C111123313121111121111331333133313113313232123313331323132233121   >>    C11112331312111112111133133313331311331323212331333132313223312   <<    C111123313121111121111331333133313113313232123313331323132233123   >>      C111123313121111121111331333133313113313232123313331323132233122   >>