C11112331312111112111133133313331333133313331312111133121111331323221322231   >>    C1111233131211111211113313331333133313331333131211113312111133132322132223   <<    C11112331312111112111133133313331333133313331312111133121111331323221322233   >>      C11112331312111112111133133313331333133313331312111133121111331323221322232   >>