C11112331312111112111133133313331311331323212331333132233131322331   >>    C1111233131211111211113313331333131133132321233133313223313132233   <<    C11112331312111112111133133313331311331323212331333132233131322333   >>      C11112331312111112111133133313331311331323212331333132233131322332   >>