C11112331312111112111133133313331333133313223223313121111133313222332133231   >>    C1111233131211111211113313331333133313331322322331312111113331322233213323   <<    C11112331312111112111133133313331333133313223223313121111133313222332133233   >>      C11112331312111112111133133313331333133313223223313121111133313222332133232   >>