??
????????2???21???????????????? ?????21?,20??????,??,??12????,19??
??????,20????????????????????????????11???????????????,?17??????????????????(Unifran)????????????????????,??????,??;???,??,???,??????
???????????????????????G1???,????
??,???????21????????,??????????19????????????????????3????????,????????????????????(??) ???:????
?????????
??????12?????????19??????????????