???? ???? ?????? ????? ??? ???? ?????? ???????? ? S N 168 ???? ???????? ??? ?????? ! ????? ????? ????? ???? ?????? , ?????? ????????? ?????? ??????? ??????????? ?????? ??????????? ??????????? 24 ??????? ???????? ???????????????? ??? ???? . ???????? : ????! ?????? ???? ??? ??????? ?????! ??????????????????? ??? SN168, ??????? ??