C111112111133131121133133313331333133313123221211111333133313113313331323221211   >>    C11111211113313112113313331333133313331312322121111133313331311331333132322121   <<    C111112111133131121133133313331333133313123221211111333133313113313331323221213   >>      C111112111133131121133133313331333133313123221211111333133313113313331323221212   >>