C11112331312111112111133133313331333133313223313331333132333131111   >>    C1111233131211111211113313331333133313331322331333133313233313111   <<    C11112331312111112111133133313331333133313223313331333132333131113   >>      C11112331312111112111133133313331333133313223313331333132333131112   >>