?????????????¥1????????°????ˉ???????????£°é?3???a?????è??????1?????2?è§?è??????ˉ1????1??ooè???1??????????a??
?§|?????????é?¢é¢??????????????????????
????¥1???????2????é??????????¨??¥?¢μ???
???è??????¥1è???????|?????aé?£é???o?解??°??′?¤????
?ˉ??????¨??¥??|èo???o?????¥è??????1??o?èˉ¥???????????????è??èo??????°???????3??????§???
?o???ˉ???????????°é???o????????§|????????′??¥??¨é???o???¨??¥??|?????μèˉ?a??a??
a????????è§????é?¢??§???a??
??¨??¥??|??¥??°?§|???????????μèˉ????è?a?????ˉ??????è?aè?????
è?????é???3???????????¥?????o|??????????????????
????·2?????¥è????a????????¤??a????o??????ˉ??ˉ???????¥?????o|è??????????¨0???
?3???????é??????????±?-?????????????????2??????????
è??????·2???????¥??o???????????¤?????????¨??¥??|è????ˉ?????????é??????2????
????¥1??????è?a?·±è??????¥??¥1??????
??′?????μ?§|??????è???????¨?o|???è§?é?¢???
é?£????¤??§|???????2????è???¨?????????¨??¥??|?o|??¨?o????????¤§??|????§??ooé¤????é??é?¢???
??¨??¥??|??|?????¨?1′?1′è????¥?????????????§|???????·2?????¨?o????
a???|??|???????????o?è?ˉè?¤????o???????a??
??¨?1′?1′?o¢???????????°?¤′???????§|?????????
?§|???????2?èˉ′èˉ??????aèˉ′???a??????????§???a??
??¨??¥??|èμ??????|?????¨?1′?1′??????????o??????????????ˉ?è?°????????1?o?????¤§????§|??????????????±??????è?????
a????????????????ˉ?????ˉ????o?è?ˉ???è?¤?o????????°±??ˉ?????????????ˉ1????ˉ1???a??
??¨??¥??|??????????????????????2??2???°?????¨?§|??????èo???????
?§|????????????è??????-????????·??·?é?????a????ˉ???????1???·???a??