C11112331312111112111133133313331333133313123313331311331333112332232132131   >>    C1111233131211111211113313331333133313331312331333131133133311233223213213   <<    C11112331312111112111133133313331333133313123313331311331333112332232132133   >>      C11112331312111112111133133313331333133313123313331311331333112332232132132   >>