^{2 1}      , "  ,             " 2        , "    "     " "     " ³                                              ⁴                ⁵                 ⁶             ⁷                                               ⁸                                               ⁹                     ¹⁰                                ¹¹                         ¹²  ,                        ?      ? ¹³               ¹⁴                           ¹⁵      , "    ?             ?      , "      " ¹⁶                           ¹⁷                        ¹⁸                           ¹⁹       ?                         ²⁰               ²¹      ,  ,                       ²²                 ²³                  ²⁴                         ²⁵          ?     ? ²⁶          ,  ,                                   