anchor.diff:    # sort by signature in descending order
     SIGNATURE_DESC
   
  +  # sort by signature_detail in ascending order
  +  SIGNATURE_DETAIL_ASC
  +
  +  # sort by signature_detail in descending order
  +  SIGNATURE_DETAIL_DESC
  +
     # sort by source_artwork_id in ascending order
     SOURCE_ARTWORK_ID_ASC
   
  
positive.code:   # sort by edition_size in descending order
    EDITION_SIZE_DESC
  
    # sort by ext_user_id in ascending order
    EXT_USER_ID_ASC
  
  
negative.code:   # sort by category in descending order
    CATEGORY_DESC
  
    # sort by condition_report in ascending order
    CONDITION_REPORT_ASC
  
    # sort by condition_report in descending order
    CONDITION_REPORT_DESC
  
    # sort by consigned_partner_submission_id in ascending order
    CONSIGNED_PARTNER_SUBMISSION_ID_ASC
  
  