????? ???????? ??[???????] ?? ??????? {??? ????? ??????? ??????? ??????. ??? ??? [?????] ? ???????????patterns ??????. ????? ????????? ???????. ???? ??? ????????? ?? {??? ?????? ????? ?????.. ?? ?? ???? ????? ???????? ?????? ?????? . ???? ??? ???????? ? ???????? {?????? ????????. ???? ????? ??????? ?? ????? ?? ???? ??????? ? ?????