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