C11112331312111112111133133313331333133313223223313231323133313231332311   >>    C1111233131211111211113313331333133313331322322331323132313331323133231   <<    C11112331312111112111133133313331333133313223223313231323133313231332313   >>      C11112331312111112111133133313331333133313223223313231323133313231332312   >>