C11112331312111112111133133313331333133313331333133313331333132323113131   >>    C1111233131211111211113313331333133313331333133313331333133313232311313   <<    C11112331312111112111133133313331333133313331333133313331333132323113133   >>      C11112331312111112111133133313331333133313331333133313331333132323113132   >>