C11112331312111112111133133313331333133313331333133313311211113311231323231   >>    C1111233131211111211113313331333133313331333133313331331121111331123132323   <<    C11112331312111112111133133313331333133313331333133313311211113311231323233   >>      C11112331312111112111133133313331333133313331333133313311211113311231323232   >>