C11112331312111112111133133313331333133313331333133313331333132233212323131   >>    C1111233131211111211113313331333133313331333133313331333133313223321232313   <<    C11112331312111112111133133313331333133313331333133313331333132233212323133   >>      C11112331312111112111133133313331333133313331333133313331333132233212323132   >>