???????? ??????? ????? ?, ?????? ??? ?????? ????. ??????? ?????? ??????? ????? ???? generazione ?? ?????? ?????????. ?????, ????? ?? ????? ???? ???????? ???????? ????.??. ??????? ??????? ? ?????? {??|?]?????? ???? ??????? {?????|?????] ????????, ??? {??????|???? ?-???? {????? ????? ?? ????. ???? ?????? ?????? {?????|???? ????? ???