C11112331312111112111133133313331333132323213331333133313232222121122211331   >>    C1111233131211111211113313331333133313232321333133313331323222212112221133   <<    C11112331312111112111133133313331333132323213331333133313232222121122211333   >>      C11112331312111112111133133313331333132323213331333133313232222121122211332   >>