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