anchor.diff:    # sort by edition_size in descending order
     EDITION_SIZE_DESC
   
  +  # sort by exhibition in ascending order
  +  EXHIBITION_ASC
  +
  +  # sort by exhibition in descending order
  +  EXHIBITION_DESC
  +
     # sort by ext_user_id in ascending order
     EXT_USER_ID_ASC
   
  
positive.code:   title: String
    userAgent: String
    userId: String!
    width: String
    year: String
  }
  
negative.code:   # sort by id in descending order
    ID_DESC
  
    # sort by literature in ascending order
    LITERATURE_ASC
  
    # sort by literature in descending order
    LITERATURE_DESC
  
    # sort by location_city in ascending order
    LOCATION_CITY_ASC
  
  