¹                 ²                          ³                          ,     ⁴            ⁵                                             ⁶                     ⁷                   , '                 ⁸                      , '        ' ⁹                           , '         ' ¹⁰     , '         ' ¹¹                                  ¹²          ¹³               ¹⁴               ¹⁵                           ¹⁶                ¹⁷              ¹⁸                                   ¹⁹                                     