C11112331312111112111133133313331333132323213331333131121132333132333231   >>    C1111233131211111211113313331333133313232321333133313112113233313233323   <<    C11112331312111112111133133313331333132323213331333131121132333132333233   >>      C11112331312111112111133133313331333132323213331333131121132333132333232   >>