C111112111133131121133133313331333133313331323221211111211111333132323311   >>    C11111211113313112113313331333133313331333132322121111121111133313232331   <<    C111112111133131121133133313331333133313331323221211111211111333132323313   >>      C111112111133131121133133313331333133313331323221211111211111333132323312   >>