{??? A 3-level ?????? ??????????????? ???? to the Fisher-?????????????????????????? |?????1% ???????{??|??|???|??|?????|????{??|??????|????? 1 ???| |????? 1 ?|???? 1 ?|???? 1 ?|???? 1 ?|???? 1 ?|?????????? — ?????????????????????????????? |??? ?? ????? ???? ?????????? ???????????????????{??|???|????|??????????????????????? ?? ?????” ????????{??