C11112331312111112111133133313331333133313331333133313331333132233131132111   >>    C1111233131211111211113313331333133313331333133313331333133313223313113211   <<    C11112331312111112111133133313331333133313331333133313331333132233131132113   >>      C11112331312111112111133133313331333133313331333133313331333132233131132112   >>