C11112331312111112111133133313331333132323133313331333133313311211113311112331   >>    C1111233131211111211113313331333133313232313331333133313331331121111331111233   <<    C11112331312111112111133133313331333132323133313331333133313311211113311112333   >>      C11112331312111112111133133313331333132323133313331333133313311211113311112332   >>