C11112331312111112111133133313331333133313331333133313331333132231112331   >>    C1111233131211111211113313331333133313331333133313331333133313223111233   <<    C11112331312111112111133133313331333133313331333133313331333132231112333   >>      C11112331312111112111133133313331333133313331333133313331333132231112332   >>