C11112331312111112111133133313331333132323213331313331311331323231333132333131   >>    C1111233131211111211113313331333133313232321333131333131133132323133313233313   <<    C11112331312111112111133133313331333132323213331313331311331323231333132333133   >>      C11112331312111112111133133313331333132323213331313331311331323231333132333132   >>