C11112331312111112111133133313331333133313123313331311331333132321333223331   >>    C1111233131211111211113313331333133313331312331333131133133313232133322333   <<    C11112331312111112111133133313331333133313123313331311331333132321333223333   >>      C11112331312111112111133133313331333133313123313331311331333132321333223332   >>