SN168 ??? ??????????????? ??????? ???????? ??? ?????? ????? ?????? . ???? SN168 ??????? ?????? ??????????????? ????????? ??????? ????????? ???????? SN168 ??? ????????????? ???????????? ????? SN168 ????????????? ??????? SN168 ???? ???????? ???????? ?????? ????? ??????? ????????????? ????????? ??? ??? ???? ????????. ????????? ??? ?????????????