C111112111133131121133133313331323133313221323331333132323312311   >>    C11111211113313112113313331333132313331322132333133313232331231   <<    C111112111133131121133133313331323133313221323331333132323312313   >>      C111112111133131121133133313331323133313221323331333132323312312   >>