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SELECT 5
| id_edifc | name |
|---|---|
| 9001 | classe_c |
| 9002 | classe_c |
| 9002 | classe_b |
| 9002 | classe_a |
| 9003 | classe_b |
| 9003 | classe_c |
| 9003 | classe_c |
| 9004 | null |
| 9005 | classe_b |
| 9005 | classe_a |
SELECT 10