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