C11112331312111112111133133313331333133313123313331333131322122321322331   >>    C1111233131211111211113313331333133313331312331333133313132212232132233   <<    C11112331312111112111133133313331333133313123313331333131322122321322333   >>      C11112331312111112111133133313331333133313123313331333131322122321322332   >>