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