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WITH MONTHS(M) AS ( SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION SELECT 5 UNION SELECT 6 UNION SELECT 7 UNION SELECT 8 UNION SELECT 9 UNION SELECT 10 UNION SELECT 11 UNION SELECT 12 ) SELECT M, ((M / 3) & 3) + 1 SEASON FROM MONTHS ;

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