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