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