???????????????????????????????????????????

???????????????????o??????????????°i??

??????????±??????x???

??x??????????????????????????????????????x??·?o?????????????????????÷??????????????????

???????????????????i??

???????é???????????????????o?????????x?÷i?x??

÷i?x????????°i·¨??x??????????o????

?????????????x?????????°????????x??·?????????????????÷?????????±???÷???±

?°°????±???????????

÷i?x?????????é??????????????????????

?????i?????÷?????????o??????x???????????????±?????????÷??

??????????

?°?????????????????o???o??·??????±÷i?x???????????¨????????

÷i?x?????±???÷????x??·±????????i????

?°???????????o??????x????????????????°?o???????o?????¨???????°???i???±

x??·??x????????é???°??????????????????????????????x???·??????????????????????à?????????????????¨?????????????????????á?????????????????á???????±

???ox??·?????o÷i