C11112331312111112111133133313331333133313331333133313311211113311231323131   >>    C1111233131211111211113313331333133313331333133313331331121111331123132313   <<    C11112331312111112111133133313331333133313331333133313311211113311231323133   >>      C11112331312111112111133133313331333133313331333133313311211113311231323132   >>