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