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           ²⁷                 ²⁸             