C111112111133131121133133313331333133313331323133313331333133323311311   >>    C11111211113313112113313331333133313331333132313331333133313332331131   <<    C111112111133131121133133313331333133313331323133313331333133323311313   >>      C111112111133131121133133313331333133313331323133313331333133323311312   >>