C111112111133131121133133313331333133313331323133313331333133313331331123113311   >>    C11111211113313112113313331333133313331333132313331333133313331333133112311331   <<    C111112111133131121133133313331333133313331323133313331333133313331331123113313   >>      C111112111133131121133133313331333133313331323133313331333133313331331123113312   >>