C11112331312111112111133133313331333132323133313331333133323133313231333132231   >>    C1111233131211111211113313331333133313232313331333133313332313331323133313223   <<    C11112331312111112111133133313331333132323133313331333133323133313231333132233   >>      C11112331312111112111133133313331333132323133313331333133323133313231333132232   >>