C11112331312111112111133133313331333133313331333133313311211113313133313122331   >>    C1111233131211111211113313331333133313331333133313331331121111331313331312233   <<    C11112331312111112111133133313331333133313331333133313311211113313133313122333   >>      C11112331312111112111133133313331333133313331333133313311211113313133313122332   >>