C11112331312111112111133133313331311331323212331333132333113121   >>    C1111233131211111211113313331333131133132321233133313233311312   <<    C11112331312111112111133133313331311331323212331333132333113123   >>      C11112331312111112111133133313331311331323212331333132333113122   >>