C11112331312111112111133133313331333133313331333133313331333133321323311   >>    C1111233131211111211113313331333133313331333133313331333133313332132331   <<    C11112331312111112111133133313331333133313331333133313331333133321323313   >>      C11112331312111112111133133313331333133313331333133313331333133321323312   >>