2 ???????? ??? ???? ????? ?????????????? ???????????????????????? ????? ?????? ??????????? ?????? ?????? ???????? ????????? ????????? 4/6 ???????????? ??? ???????? ????????????????????? ????????. ??? ????? various ???????? ????????? ?????? ??? ????? ???????????????? ??? ?????????? ???????? |????????? ??????? ?????? ?????? replicate ????????????????