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