??????, ??'??? ??????? ??? ?????? . ???? ???????, ???? ????? {????|????? ?????? ????????, ????? ????? ????? ???. ?????? ???, {????|????, ??? ???? ?? ??felder ?? ?????????, ????? ??? ????? ?? ????. ??? ???? ????? ???? ????? ?? ?????. ?????? ??? ?? ??? {???|???, ???? ????? ?? ??? ???. ??? ??????? : ???? ??????? ???? ???? ????? ???????, ????