C11112331312111112111133133313331333133313331333133313331323213231323331   >>    C1111233131211111211113313331333133313331333133313331333132321323132333   <<    C11112331312111112111133133313331333133313331333133313331323213231323333   >>      C11112331312111112111133133313331333133313331333133313331323213231323332   >>