code: def special_mode(v):
      
      mode1 = {
          0: 'Normal',
          1: 'Unknown',
          2: 'Fast',
          3: 'Panorama',
      }
      mode2 = {
          0: 'Non-panoramic',
          1: 'Left to right',
          2: 'Right to left',
          3: 'Bottom to top',
          4: 'Top to bottom',
      }
      if not v or (v[0] not in mode1 or v[2] not in mode2):
          return v
      return '%s - sequence %d - %s' % (mode1[v[0]], v[1], mode2[v[2]])
docs: decode Olympus SpecialMode tag in MakerNote