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			SELECT `idx`, `subject`, `secret_flag`, `add_id`
			 FROM `board_data`
			 WHERE `board_id`='employment'
			 AND `idx`<
			 ORDER BY `idx` DESC
			 LIMIT 1
			
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			SELECT `idx`, `subject`, `secret_flag`, `add_id`
			 FROM `board_data`
			 WHERE `board_id`='employment'
			 AND `idx`>
			 ORDER BY `idx` ASC
			 LIMIT 1
			
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			 LIMIT 1' at line 5
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