C11112331312111112111133133313331333133313331333133313331333133323221322331331   >>    C1111233131211111211113313331333133313331333133313331333133313332322132233133   <<    C11112331312111112111133133313331333133313331333133313331333133323221322331333   >>      C11112331312111112111133133313331333133313331333133313331333133323221322331332   >>