??????? ???? ????? ????? ??? ???? ?????? ??????? ? S N 168 ??? ????? ??? ???????????! ?? ?????????? ????? ???? ??????? , ??????????? ?????????? ??????? ?????????? ???? ?????? ?????????? ????? ?????? ?????? ????? ??? ?????? S N 168. ???????? : ????! ?????? ???? ??? ??????? ?????! ??????????????????? ??? SN168, ??????? ??????? ?????