eeˉ￥±ˉ¤§056oe¤oe11o±o§1μˉee￥°eoo¨o′o′o°oooˉoˉo·o·o·oo¨oˉoo§o1oμo-oˉooooo￥oo￡oˉo-oˉo2o￥oo¤oˉo2oo1ooo′oˉo′ooo1o1o1o·oo2oo¨o′o-ooμoˉoooμoˉo-ooμoo1ooμoμo±ooμooo2oμo′oμooμo￠oooμo′oo2oμo°oooμooooμoo2o3oaa|ˉ121a§eeo°o￠oe|ˉoeˉaˉ1e§¨°±¤±aeμˉ￡

e°±-¤¤￠￡¨￥￠o-oo￥1eeae￥o2a￥1eˉ′eμe-°±eaaoeμ·￥

eμe¨eo￠￥ˉee2ee′e2′oeμ·￥°e3oeμ′¨°§eμeˉe￥·2°oe￠

¤e2§eo°eμooeμ·￥-￡¤·|eμe￥-aoea·±ee￠

a33¤°e°3oee§e￥eeea°e3eˉ′eeμ·eoooo2§eo

§eaa|a|a|a|aa|ee§1e￡°±o§-°e3￥1ˉ￥aeμeˉ′eea¨oeo￡°

a¨￥§a§e￥1o￡°e￥1￥eˉ¨¨￥1￥1eˉ|￥o

§ee1§eooe21eaae|e￥eeˉ￥1￠2￥￥1eˉooeo±¨ˉeμ¤aˉe§o

eee¨¤aooo′￥′§ˉ￥1￥12￥o-ee|1a°eee§

e¤oo￥1e°eooe¨e￠¨3|3°±±oe¤e§§ee3μ°eo￠oeμ-￠oea·±¨

e|eˉe-￠ˉe￥1e·oaee§¨eo2o|¤a|a|aeμo￠ee¨o¨

§e1o￡°￠eˉ′￥e￡1￥ee33ˉ3ao1￠ooe±o¤e±

ae¤oe1￥13°a￠eo·2o1′eˉeeˉaeμe·￥oe|··

a1′a§eˉea¤§o|2e°e1′eμe2o2￥112oo¨o′o′o°oooˉoˉo·o·o·oo¨oˉoo§o1oμo-oˉooooo￥oo￡oˉo-oˉo2o￥oo¤oˉo2oo1ooo′oˉo′ooo1o1o1o·oo2oo¨o′o-ooμoˉoooμoˉo-ooμoo1ooμoμo±ooμooo2oμo′oμooμo￠oooμo′oo2oμo°oooμooooμoo2o3oaˉ1′

a§e·-eμ￥1aee§e°o

1′ˉ¤￥o￥a|a|aμ3e′§ea3eμ·o1′e￠ˉeμoe￡¤

e￡¤ˉ￠¤°±o-oe￠|·ee￥1o￥1¤a-eeeeˉ-eμ°ooe¨

￥1￥e￥1e|e￠o￥12¤aˉ§¤¤§°¤§¤ˉe￥1ˉ¨

_s