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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             score=1~59                                                                                                                                                
                                                                                                                                                                                                                                     score>=80                                                                                                                                                                                                                                              score=60~79                                                                                                                                                                                                                                                                
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