C11112331312111112111133133313331333133313223223313231311331323223332331   >>    C1111233131211111211113313331333133313331322322331323131133132322333233   <<    C11112331312111112111133133313331333133313223223313231311331323223332333   >>      C11112331312111112111133133313331333133313223223313231311331323223332332   >>