C111112111133131121133133313331333133313331322331311331333133313331323233121   >>    C11111211113313112113313331333133313331333132233131133133313331333132323312   <<    C111112111133131121133133313331333133313331322331311331333133313331323233123   >>      C111112111133131121133133313331333133313331322331311331333133313331323233122   >>