SQL & PL/SQL

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Is there any way that I can make the following query as I meant?
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SELECT  RNK,
        FIRST,
        SECOND
FROM    (
        SELECT 1 RNK FROM DUAL
        UNION ALL
        SELECT 2 RNK FROM DUAL
)
MODEL
DIMENSION BY ( RNK )
MEASURES ( 
        0 FIRST, 
        0 SECOND
)
RULES (
        FIRST[1] = 1,
        FIRST[RNK > 1] = SECOND[CV(RNK) - 1] + 1,
        SECOND[ANY] = FIRST[CV()] + 2
)

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I wish to make the result something like following.
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      RNK        FIRST      SECOND
---------- ---------- ----------
         1          1          3
         2          4          6

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Any suggestion?
Thanks in advance.
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