C11112331312111112111133133313331333133313331333133313331322331323221311331   >>    C1111233131211111211113313331333133313331333133313331333132233132322131133   <<    C11112331312111112111133133313331333133313331333133313331322331323221311333   >>      C11112331312111112111133133313331333133313331333133313331322331323221311332   >>