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