C11112331312111112111133133313331333133313331333133313331333132333131223321   >>    C1111233131211111211113313331333133313331333133313331333133313233313122332   <<    C11112331312111112111133133313331333133313331333133313331333132333131223323   >>      C11112331312111112111133133313331333133313331333133313331333132333131223322   >>