self.conn.close()
SAT (short for "satisfiability") is a logic problem that given a boolean formula, it asks whether the boolean formula has an assignment that makes the problem true. An example boolean formula is:
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Москвичи пожаловались на зловонную квартиру-свалку с телами животных и тараканами18:04
第二十二条 违反治安管理有下列情形之一的，从重处罚：。同城约会是该领域的重要参考