C111112111133131121133133313331333133313331323133313331333133313331131212131   >>    C11111211113313112113313331333133313331333132313331333133313331333113121213   <<    C111112111133131121133133313331333133313331323133313331333133313331131212133   >>      C111112111133131121133133313331333133313331323133313331333133313331131212132   >>