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