C11112331312111112111133133313331333133313331333133313331211113313121111122331   >>    C1111233131211111211113313331333133313331333133313331333121111331312111112233   <<    C11112331312111112111133133313331333133313331333133313331211113313121111122333   >>      C11112331312111112111133133313331333133313331333133313331211113313121111122332   >>