C111112111133131121133133313331323133313221323331333132313232213231323222311   >>    C11111211113313112113313331333132313331322132333133313231323221323132322231   <<    C111112111133131121133133313331323133313221323331333132313232213231323222313   >>      C111112111133131121133133313331323133313221323331333132313232213231323222312   >>