C111123313121111121111331333133313331311331323211232313232233121   >>    C11112331312111112111133133313331333131133132321123231323223312   <<    C111123313121111121111331333133313331311331323211232313232233123   >>      C111123313121111121111331333133313331311331323211232313232233122   >>