Aug 27, 2003 - Colin Cooper. Department of Computer Science,. King's College,. University of London,. London WC2R 2LS, UK [email protected].
!"# $&%' $( )+*-,-./($)0)+13254 6 2518794;:;.0:?)+@A()B.DFI2BJ K ,-.L8MON($)B*-*H25L+2BJ P .Q,HR+254SN;,H: TU)+@V)B.QWQ)B.XJ V)B.YWQ)B.[Z(]\_^`\9VaE3J PK bSb;c;c dGegfihkjIbml_npoIb;qBnsrmb_nutmo v *s7_.xwY4S,H25y52{z 6 2518794k:S.0:])_@|}79:S~2< 79:S,sF57_*XEFG,H2.YFG2>N>J (?794;.Q25LB,H2|/2>*-*H)B. P .Y,HR_2>4;N;,H: TBJ ,H:;:;NkDCQ4;L+~ v
\ >Q rSqSr ihkfIr ijmcYn5rgkQnbStQnegj;t v CQL+CYNk:&\+JD\_+ YD&&Dg ¡ &¢g£I¤{¥§¦©¨{ gª«¬¥§¦©®°¯© £>¨{ k¯X£I±a«i¤[«i²I g¤G³´pµ·¶°¦¸¢¶Uµ &¢k«i¯¸¯¹«¥º®°¦©¨{ ª »$?£;¼¦¸¤{²½+ g³¾µ g k¤U³¿¶{ &¤{£>¨{ g¥]£I± «'ª«i¤{¨°£i?¯¸À²iª¿£;µ·¦©¤{²&µ ½=²mª«m®°¶0Á³¦©¥Ã®{ª¿ k¥§Ä{? g¨Å³¿¶°«m³A³¿¶{ «i²i k¤G³ gÆ«i?¦©¤{ g¥Ã³¿¶° ?®9«i²i ¢g£I¤G³¿ k¤G³£I±³¿¶{ ¤°£5¨° $±u£iª¥§£i? $¥º®+ k¢g¦¸Ç°¢³¿£i®°¦©¢iÁ¾¤È£IĪ?£>¨{ g¯³¿¶° $¥º®°¦¸¨° ª?«mÉG g¥Ã«]ª«i¤{¨{£Iʵ«i¯¸É£I¤È³¿¶{ $ Ʀ©¥º³¿¦¸¤°²¥§ ³a£I± ¼G gª§³¿¦¸¢k g¥gÁÅ A¢g£I®9«mª¿ ³¿¶° Ã¥§Ä{¢g¢k g¥§¥¹£I±³¿¶° Ã¥º®°¦©¨{ gª¹£I¤&µ ½È²iª«m®°¶{¥¹£I±³¾µ£]¨°¦¸¥º³¿¦©¤{¢ ³¹³¾À5®B g¥gÁË9£iªÌ«ª«i¤{¨°£i ²iª«m®°¶'µ ½²mª«m®°¶&£>¨{ k¯HÍ°¦©¤µ·¶{¦©¢¶'¤{ gµÎ¼G ª§³¿¦©¢g g¥YÏУI¦©¤' g¨°²i k¥³¿£ Ʀ©¥º³¿¦¸¤°²$¼G gª§³¿¦¸¢k g¥Ä°¤{¦¸±p£iª¿?¯OÀ&«S³Xª«i¤{¨{£I'Í ³¿¶° gÆ>®+ g¢g³¿ g¨®°ª¿£m®B£mª§³¿¦©£I¤¡£I±XÄ{¤G¼¦¸¥§¦¸³¿ g¨=¼I gª§³¿¦¸¢k g¥A³¿ g¤°¨{¥A³¿£ÑÁÓÒGÔGÁÈË9£iª³¿¶{ ¢k£I$®_«Sª«m½°¯© ¢k£i®5À>Õ-½9«i¥§ g¨¡µ g½ ²iª«m®°¶ ?£>¨{ k¯HÍ>¦¸¤]µ·¶{¦©¢¶ ¤{ µÖ¼G ª§³¿¦©¢g g¥0Ϻ£I¦¸¤ g¨{²I k¥8³¿£A Ʀ¸¥º³¿¦©¤{²Ã¼G gª§³¿¦¸¢k g¥8®{ª¿£i®+£iª§³¿¦¸£I¤°«i¯°³¿£Ã¼G ª§³¿ Æ?¨{ k²mª¿ k iÍG³¿¶{ gÆ>®+ g¢g³¿ g¨®{ª¿£i®+£iª§³¿¦¸£I¤&£I±Ä{¤5¼>¦©¥§¦¸³¿ g¨'¼G ª§³¿¦©¢g g¥³¿ k¤{¨{¥X³¿£]Ñ>ÁÓÒI×>Á Ø µ ½&²iª«S®9¶¦©¥X«$¥º®_«Sª¿¥§ ¢k£i¤°¤{ g¢g³¿ g¨²iª«m®°¶'¨{ k¥§¦¸²I¤{ k¨³¿£¢k«m®{³¿Äª¿ ¥§£I? a®{ª¿£i®+ ª§³¿¦© g¥X£i±³¿¶{ ̵XµXµÃÁÙG³¿Ä{¨{¦© g¥ £I±+³¿¶{ ¹²mª«m®°¶ ¥º³§ª¿Ä{¢g³¿Äª¿ ¹£i±+³¿¶{ ·µXµXµ[µ ª¿ ¹]«m¨° X½>ÀÈÚ ÒSÛ+«i¤{¨¬ÚÓÜ;ÝSÛ+«i?£i¤°²A£i³¿¶{ ª¿¥gÁ8Þ¶{ gª¿ ¹«mª¿ ·]«i¤GÀ??£>¨{ k¯¸¥ £I±Qµ ½È²iª«S®9¶{¥¹¨{ g¥§¦©²I¤{ g¨&³¿£]¢k«m®{³¿Äª¿ ó¿¶{ A¥º³§ª¿Ä{¢ ³¿Äª¿ ãI±Q³¿¶{ µXµXµ}±p£IÄ{¤{¨¦¸¤&³¿¶{ Ã¥º³¿Ä°¨{¦¸ k¥¹²i¦¸¼G g¤È«S½B£k¼G IÁË°£iª gÆ{«m®°¯© ¥§ k Aª¿ g±p ª¿ g¤°¢g g¥?ÚÓÜ ÛsÍ8Ú Ý;ÛsÍ8Ú ßSÛsÍ8Ú àiÛsÍ8Ú á;ÛsÍ8Ú Ô;ÛsÍ8Ú âSÛsÍ8Ú ×;ÛsÍ8ÚÓÜkÑmÛ-Í3ÚÓÜIÜ Û-Í3ÚÓÜ;ßSÛ-Í8ÚOÜ àiÛsÍ8ÚOÜkÒSÛsÍ8ÚOÜkáSÛsÍDÚOÜSÔ;Û-Í8ÚOÜ;âSÛ-Í8Ú ÝiÑmÛ-Í Ú ÝÜ Û«i¤{¨=Ú ÝIÝSÛ-Á8±p£iªX¼i«mª¿¦©£iÄ°¥X?£>¨{ g¯©¥gÁ ¾¤³¿¶{ a¥§¦¸®°¯© ?£5¨° g¯©¥µ a¢k£i¤°¥§¦¸¨{ gªkÍ{ k«i¢¶¤° µx¼G ª§³¿ Æ ¨°¦Oª¿ k¢ ³¿¥ãä k¨{²I g¥³¿£;µ«Sª¿¨°¥ Ʀ©¥º³¿¦¸¤°²¼G ª§³¿¦©¢g k¥gÍ k¦O³¿¶{ gª ª«i¤{¨°£i?¯¸ÀÈ´pª«m¤°¨{£I²iª«m®°¶ ?£>¨{ k¯u»D£mª«i¢g¢g£iª¿¨{¦©¤{²Ã³¿£A³¿¶{ ¹¨{ g²iª¿ g ¹£I±B Ʀ©¥º³¿¦¸¤°²Ã¼G ª§³¿¦©¢g g¥a´H¢g£i®5À??£5¨° g¯p»Á3å̤{¢g «¼G ª§³¿ ƶ°«i¥½+ k g¤&«i¨{¨° g¨'³¿¶{ ¨°¦Oª¿ k¢ ³¿¦©£i¤&£i±Q³¿¶{ g¨{²I g¥·¦©¥X¦©²I¤{£iª¿ g¨BÁ Þ¶° ª¿ X«mª¿ ¥§ g¼G ª«i¯>³¾À>®+ g¥D£i±9¥§ ;«mª¿¢¶$µ·¶{¦©¢¶?¦¸²I¶G³D½B «m®{®9¯¸¦© g¨$³¿£Ì³¿¶{ µXµXµÃÁ3æ£I®°¯¸ g³¿ ¥§ k«mª¿¢¶{ k¥D£I±°³¿¶{ µ ½0Í Ä°¥§Ä°«i¯¸¯¸À¦©¤«A½{ª¿ ;«m¨{³¿¶Ç{ª¿¥º³]«i¤{¤{ ªkÍ°«mª¿ a¢k«mª§ª¿¦© g¨£Iij½5À ¥§ ;«mª¿¢¶ k¤{²I¦¸¤° g¥gÁ8禩¤É«i¤{¨®9«i²I a¨°«m³«±u£iª¼¦©¥§¦O³¿ k¨ ®_«m²I k¥¹¦©¥·¥º³¿£iª¿ k¨BÍ+«i¤{¨±ª¿£I賿¶{ A¯¸¦©¤É&¨°«m³«]«m¤Ä°¤{¨{¦¸ª¿ g¢ ³¿ k¨?£5¨° g¯£I±Y³¿¶{ µXµXµé¢k«i¤&½+ A¢g£I¤{¥º³§ª¿Ä{¢g³¿ g¨BÁXÞ¶°¦¸¥ êëkìSíSíiî ïHðsñÐòaóõô¹íSö ïHð÷ øaùQë;ú?û ï-öôgðü0ü0ýBþuÿ
Ü
?£>¨{ k¯]«kÀ'½+ Aª¿ ®9¯©«i¢g k¨&µ·¶° g¤«]¤{ µ ¥§ k«mª¿¢¶È¦©¥Ì?«i¨{ $«m³a« ±uij¿Ä{ª¿ 󿦩? î+ gª¿¦¸£>¨È£mªa]«gÀ&½+ ¢g£I¤G³¿¦©¤{£IÄ{¥§¯OÀ Ä{®+¨°«m³¿ g¨&½5À&«¢k£i¤5³¿¦¸¤5Ä°£iÄ°¥§¯OÀ&£I¤{²I£i¦©¤{² ¥§ k«mª¿¢¶0ÁXÙ5Ä{¢¶'®{ª¿£>¢k g¥§¥§ g¥·ª¿ 5Ä{¦¸ª¿ âk£i¤°¥§¦¸¨{ gª«m½°¯¸ A£I¤Õs¯©¦¸¤{ «i¤{¨&£_Õs¯©¦©¤{ ? k£iª§ÀGÁ Ø ¤°£m³¿¶° ªX®+£I¥§¥§¦¸½°¦¸¯©¦¸³¾ÀIÍ{ª¿ GÄ°¦Oª¿¦©¤{²?¯¸ k¥§¥X? k£iª§ÀGÍ°¦¸¥·«¥§ ;«Sª¿¢¶'½5À'«m¤«m²I k¤G³´H¥§¤{¦ + ªkÍ°¥º®°¦©¨{ ª »µ·¶{¦©¢¶' gÆ«i?¦©¤{ g¥ ³¿¶° 3¥§ g]«i¤G³¿¦©¢¢g£I¤G³¿ k¤G³Q£I±¤{£>¨{ k¥±p£iªQ¥§£I ¥º®+ g¢k¦OÇ9¢3³¿£m®9¦¸¢IÁQÞ¶{¦©¥³¾À>®+ 3£I±{¥§ k«mª¿¢¶¢k«i¤Ã½B 3]«i¨{ ¨{¦¸ª¿ g¢ ³¿¯¸À£I¤Ã³¿¶{ µXµXµ £iªa£I¤«´H¢g£I¤G³¿¦©¤{£IÄ{¥§¯¸ÀÄ®B¨°«m³¿¦¸¤{²>»X?£>¨{ g¯Q£I±Y³¿¶° õXµXµ ¥º³¿£iª¿ k¨½5ÀÈ« ¥§ k«mª¿¢¶ g¤°²i¦©¤{ IÁaÞ8À>®°¦©¢k«i¯¥§ ;«mª¿¢¶ ¥º³§ª«m³¿ k²i¦© g¥?¦©²I¶G³?¦©¤{¢g¯©Ä{¨{ £;¼¦©¤{²³¿£«Èª«i¤{¨{£I`¤{ g¦©²I¶G½+£IĪȴH¥¿«i®°¯¸¦©¤{²¬®9«i²I g¥±p£iª?¢g£I¤G³¿ k¤G³ »Í8¥§ k¯¸ k¢ ³¿¦©¤{² «¬ª«m¤°¨{£I ¤° g¦©²i¶5½+£IĪ £I±¹¯«Sª¿²I &¨{ k²mª¿ k ¡´H¯¸£>¢k«m³¿¦©¤{²¬³¿¶{ '¶5Ä ½ S«iij¿¶°£mª¿¦¸³¾À ¼G ª§³¿¦©¢g g¥?£I±¹³¿¶{ '¥§ ;«mª¿¢¶U³¿£i®°¦©¢S»£iª ¥§ k¯¸ k¢ ³¿¦©¤{²«ª«i¤{¨{£I ¤{ k¦¸²I¶G½B£iÄ{ªA£I±¯©£;µ¨{ k²iª¿ g ´H±H«k¼G£iÄ{ª¿¦¸¤{²&³¿¶{ ?¨°¦¸¥§¢k£k¼G gª§À¬£I±¤° µ ªA¼G ª§³¿¦©¢g k¥Ã¨{Ī¿¦©¤{²'³¿¶{ ¥§ ;«mª¿¢¶_»Á ¾¤'³¿¶{¦©¥X®9«m®+ ªXµ âk£i¤°¥§¦¸¨{ gªX³¿¶° ±p£i¯©¯©£kµ·¦©¤{² «m½°¥º³§ª«i¢ ³·¥§¢k g¤°«mª¿¦©£{ÁDŠö°«k¼G A«$¥§ 5Ä{ g¤{¢k ]´ ] ´ §» éÜ Ý Ó»£I± ¢k£I¤{¤{ g¢g³¿ g¨]ª«i¤{¨{£I²mª«m®°¶°¥gÁ8Þ¶{ ¹²iª«m®°¶ ] ´ §»Q¦¸¥¢k£I¤{¥º³§ª¿Ä{¢ ³¿ k¨]±uª¿£I ] ´ ÜS»Q½5À]«i¨{¨°¦¸¤{²A³¿¶{ ·¼G ª§³¿ gÆ Í«i¤{¨ 㪫i¤{¨{£Iè k¨{²I g¥¹±uª¿£iè¼G ª§³¿ gÆ ³¿£ ? ´ ÜS»ÁŠê¿ g±p ª·³¿£]¥§Ä{¢¶²iª«m®°¶{¥a«i¥Xµ g½{Õs²iª«m®°¶{¥gÁÌÙ5 g ê¿ g±p ª¿ k¤{¢g k¥ ÚOÜ ÛsÍÚ ÝSÛsÍÚ ßSÛsÍ0Ú ÒSÛ-ÍÚ âSÛ-ÍÚ ×;ÛsÍÚÓÜ;ÝSÛsÍ0ÚOÜ;áSÛ-ÍÚOÜ;Ô;ÛsÍÚÓÜ;âSÛ-ÍÚ ÝiÑSÛ0«m¤°¨Ú Ý>Ü Û+±p£iª¼i«mª¿¦©£iÄ°¥?£>¨{ g¯©¥£I±B³¿¶{¦¸¥«i¤{¨ ª¿ k¯©«m³¿ k¨]³¾À>®+ g¥gÁ Þ¶° ª¿ æ©¥·«i¯©¥§£]«¥º®°¦©¨{ ª µ«m¯¸É¦¸¤°²ª«i¤{¨{£I?¯OÀ'±ª¿£I ¼G ª§³¿ gÆ ³¿£¼I gª§³¿ Æ£I¤³¿¶{ à ¼G£I¯O¼¦©¤{²?²iª«m®°¶ ] ´ §»Á Þ¶° ®9«mª«i? ³¿ g!ª #"µ · g¥º³¿¦©]«m³¿ X¦¸¥8³¿¶{ X gÆ5®B g¢ ³¿ k¨¤5Ä{A½+ gª£i±_¼I gª§³¿¦¸¢k g¥Dµ·¶{¦©¢¶?¶9«g¼G ·¤{£i³8½+ k g¤¼¦¸¥§¦¸³¿ g¨?½5À³¿¶{ ¥º®9¦¸¨{ gªA«S³Ã¥º³¿ $® ÍBµ·¶{ g$¤ ·¦©¥a¯«mª¿²I iÁAÞ¶°¦¸¥a®{ª¿£>¢g k¥§¥a¦©¥a¦©¤G³¿ k¤{¨{ g¨³¿£?£5¨° g¯Q³¿¶{ $¥§Ä{¢k¢g g¥§¥£I±«¥§ k«mª¿¢¶{Õs g¤{²I¦©¤{ ¥º®9¦¸¨{ gª·µ·¶{¦©¢¶&¦©¥ª«i¤{¨{£I?¯¸À¢ ª«kµ·¯©¦¸¤°²³¿¶{ µ£mª¿¯©¨'µ·¦¸¨° aµ ½¯©£>£mɦ©¤{²?±u£iª·¤{ gµÎµ g½{Õ-®9«i²I g¥gÁ Þ£½+ ?£iª¿ ®{ª¿ k¢g¦©¥§ iÍ0µ ¢k£I¤{¥§¦¸¨° ªÃ³¿¶{ ±p£I¯¸¯©£;µ·¦¸¤°²'?£5¨° g¯D±p£m%ª ] ´ §»Á$ç ³Ã' ã &!ܽ+ ]«Ç{Æ g¨¦¸¤5³¿ g²I ªkÁç ³ Ú (Û *)5Ü + -,«m¤°¨¬¯© %³ ]´ºÜ;/» .0 ?´sÝG/» .21+1+1.0 ] ´ §»Á$¾¤{¦¸³¿¦©«i¯©¯O3À ?´ºÜS»¹¢g£I¤{¥§¦©¥º³¿¥Ã£I±«¥§¦©¤{²I¯¸ ?¼G ª§³¿ Æ Ü$®°¯©Ä{¥ 㯸£>£i®°¥gÁ3Ë9£m4ª 5&[Ý>6Í ] ´ §»¦¸¥·£i½{³«i¦¸¤° g¨&±ª¿£I7 ? ´ 8UÜS»½5À'«i¨{¨°¦¸¤{²?³¿¶{ ¼G ª§³¿ gÆ «i¤{¨&㪫i¤{¨°£i?¯¸À¢¶{£I¥§ g¤ k¨{²I g9¥ ) :éÄ{¥«m½°¥§£iª§½°¦©¤{²¡³¿¶{ È¢k«i¥§ k¥]µ·¶° ª¿ V ¦¸¤5³¿£Å³¿¶{ È ª§ª¿£iª ³¿ gª¿'ÍA´H¥§ g Èç k??«ÖÜS»ÍX¥§Ä{??¦©¤{²=£Iij ³¿¶{ ¢k£I¤{¨{¦¸³¿¦¸£I¤°«i¯B®{ª¿£i½9«m½°¦©¯©¦O³¿¦© g¥·£;¼G ª¹¨{ k²mª¿ k ¥§ GÄ° g¤{¢k g¥gÍ{µ òi g³X³¿¶°«m³X±p£iª9V¡Ú ¯©¤ §» yV 4" " M YZ ´ Y/Z ´ ´ B»§»
´ §»§» Ü Ü ! c OI S Ý b ã T 8M C " S_`´ ´HãÅ´ TRéÜS»§»§»Í¥§£³¿¶°«m³]³¿¶{ ¤5Ä{A½+ ª£i±a g¨°²i k¥]²G«m¦©¤{ k¨ ¨°Äª¿¦¸¤°²³¿¶{¦©¥?³¿¦©? &; ¶°«i¥ gÆ>®+ g¢g³¿ g¨¼i«i¯¸Ä° [¯¸¤ M S_´Ià HG» Þ¶>Ä{¥gÍ°½5Àæ¶{ gª¿¤{£ Ƚ+£IÄ{¤{¨°¥gÍ{®°ª¿£k¼¦©¨{ g¨ S_I´ HG!» &ÎÜkÑY¯©¤ Í Y/Z ´ S_I´ H c ÜS! » &[Ý S_I´ HG»§» YZ ´Hã S9I´ HG» ´HãÅ ´ TL ÜS»§»§!» & S9I´ HG» à
; > ´ _ » > «i¤{¨'³¿¶5Ä°4¥ S9I´ HQc Ü;» Ý S9I´ HG»3µ·¦¸³¿¶®{ª¿£i½9«m½°¦©¯©¦O³¾ÀÜ > ´ _ »Áæ¶{£>£I¥§¦¸¤°I² S_´-ÑG» ÜkÑY¯©a¤ Í°µ ¥§ g ³¿¶9«S³ 3 > S9`´ §» S_´-ÑG»ºÝ
S_´-ÑG» ´H¯©a ¤ §» éÜkÑ°´H¯©¤ §» Þ¶°¦¸¥®{ª¿£;¼G g¥´-«5»ÁDË°£i_EªÃM ´p½B»Yµ aÄ{¥§ ?´-«G»3«i¤{¨ ³¿¶° ̱p«i¢ ³³¿¶°«m³ S9`´ T cUÜS» S9`´ -T_»D¢k«i¤ ³¿¶° g¤ ½+ a¨{£I¦©¤°«m³¿ g¨½5À ´ºÜkÑ{´H¯©¤ §» S´sÝmã T_» »Á UY
,
Y
gY
>Y
32
2
Y
k
k
6 !"#%$&
ËY¦¸Æ Q¯¸¤ >M > 1+11 > > «i¤{¨'¯© ³ E^ )>M+++-> ,GÁDÅ Ã g¥º³¿¦©?«m³¿ Y/Z ´IE "º»Á Ë9£iª· ;«m¢¶'®9«mª§³¿¦O³¿¦©£I¤£I±E ¦¸¤5³¿£®9«mª§³¿¥M++++D3Aµ âg£I¤{¥§¦©¨{ gªX³¿¶{ à ¼G g¤5³ ) ,¥§]«i¯¸¯¢ À¢g¯© g ¥ M+++3$«i¤{¨'®9«m³¿¶{¥ W:V&E ¥§Ä{¢¶&³¿¶°«m³ ´H¦u» !; ~ ±u£iª¹«i¯¸C¯ >-:K ´H¦¸¦p»Â¾E± :V4;Y³¿¶° g¤ ¹ÏУI¦©¤{Q¥ :?³¿£ !; "! # g %$ ´H¦¸¦©¦u&» '¦©¥X k¨{²I ¨{¦©¥HÏУI¦©¤G³¹±ª¿£Iè«i¤{¨&¥§¶°«mª¿ k¥X£I¤{ ´H k¤{¨®+£I¦©¤G³ »3¼G ª§³¿ Ƶ·¦O³¿¶(5;/ "! # g '$ Í ´H¦O¼9»Þ¶{ C ¢g£I¯©¯¸ k¢ ³¿¦©£i¤°¥ !;='W:V4;8«mª¿ a®9«i¦¸ª§Õ-µ·¦¸¥§ üG ª§³¿ ƨ{¦¸¥HϺ£I¦¸¤5³kÁ , Þ¶>Ä{9¥ )+E 4",)* + «i¤{¨ ã Y/Z ´ + » ´sáI» ] m « Æ 6 ) e , 0 g / / / g ' 7 8 g ,.- g ",2 1 34 65 µ·¶° ª¿: 9 ¨{ g¤{£i³¿ k¥³¿¶{ ? k¨{²I ?¥§ ³A£I;± Ä{¥ ã ã YZ ´ + » > M GF%H # H F.I GF%H H F2I J 8 : Y
^s
Y
k
Ts ms
sY
k
_
gY
M %
"
i
"
M %
M %
k
gY
;
;
2
; , -M g / /0/~g 3
_
34
µ·¶° ª¿ LK ¨{ k¤{£i³¿ g¥X³¿¶{ a¼G ª§³¿ gÆ¥§ ³·£I±M k¨µ·¦¸³¿q¶ LV " " - "§Áaç g³ ¨{ k¤{£i³¿ 󿶰 A³§ª«i¤{¥§¦¸³¿¦¸£I¤]«S³§ª¿¦¸Æ&£I±D³¿¶{ Aª«i¤{¨{£I䵫m¯¸É£I¤ 0¡Áç ³ ¨{ k¤{£i³¿ ³¿¶° è{¦¸¥º³§ª¿¦¸½°Ä³¿¦©£I¤£I±³¿¶°/ T³¿¶¥º³¿ ®È£i±D«ª«i¤{¨{£I赫i¯OÉ'£I¤ 0 µ·¶{¦©¢¶¥º³«mª§³¿¥¹«m³·¼G ª§³¿ gÆ >¿Á8Ë9£m ª .*K I´ 0¬» Ú Û )º» ] ´ >» ; ag $´ » ³·±p£I¯¸¯©£;µ·¥·±uª¿£i ´ÔI»3³¿¶°«m³ » ´ S_ ´ ¬ » µ·¶° ª¿ ´ »8¦©¥³¿¶{ a¤5Ä{A½+ gªX£i± k¨{²I g¥±uª¿£I ³¿£ ÅÍ{«i¤{b¨ S_´ »D¦©¥³¿¶{ ¹³¿£i³«i¯_¨{ k²iª¿ g Ì£I±0¼I gª§³¿¦¸¢k g¥¦©¤¥§ g³ ¡Á Þ¶° âg£I¤{¨{Ä{¢g³«i¤{¢g ãi±³¿¶{ µ«m¯¸É¦¸¥·¨{ gÇ°¤{ g¨'½5À a`´ X +¨{¦©¤{²µ ¥§ k ³¿¶°«m³ YZ -´ ,( }Ú e Û W&Ö#ß Sà]«i¤{¨ S9´ U §» /´ºÜ Ü;»¾bã §» ß< Sà _) Oa" ±p£iª·¥§£I? A«m½°¥§£I¯¸Ä{³¿ âg£I¤{¥º³«i¤G³ + ÑÁ3Þ¶{¦©¥X¢k£i®°¯© ³¿ k¥³¿¶° a®{ª¿£>£I±£I±´sâG» Ì£;µ/±p£iª .}Ú Û )Ä{A½+ ª¹£I± g¨{²I g¥X£I± ?´ §»8µ·¶{¦©¢¶&¶°«k¼G £i¤° g¤°¨¦©¤ «i¤{¨'³¿¶{ ãi³¿¶{ ª· k¤{¨&¦¸¤ }´pµ £I¤{¯¸ÀÄ{¥§ ³¿¶{¦©¥X¨{ gÇ°¤{¦¸³¿¦¸£I¤&±p£mª Ú Û ´R)Á YZ -´ ,( ´ » ã >Ü;ÒiÑ5» > ´ _ » ´ºÜkÑG» M Ù>Ä®{®+£I¥§ .}Ú ÛsÍ C^ i«i¤{¨ * ´ »ÁYç ³ y N CW D«i¤{¨ R_$ Ú >Û+«m¤°¨ 3 R_8Á +D HKJ R_ W&Öß CkIÔ5Á "`_ 3 _eM ã ¡ÒG» CGIÔ & ß´Hã ¡ÒG» C ¯©¤ UÜ ´ Ã5» & ß{´HT%* c=à CkIÔ Ô c=à CkIÔ F @ J æ£I¤{¥§¦¸¨° ªA³¿¶{ &0 ! à CkI%Ô Ü?¼G ª§³¿¦©¢g g¥A£I±Ú eÛ ÎÚ CÛ
)£I¥§ g¥«m³ ¯© k«i¥º³ã [Ò&ª«i¤{¨{£I ¤{ k¦¸²I¶G½+£IĪ¿¥±uª¿£i ¯©£;µ ª¤5Ä{A½+ gª¿ g¨=¤° g¦©²i¶5½+£IĪ¿¥'´p®9¯¸Ä{¥³¿¶° g?¥§ g¯¸¼G g¥»A«i¤{¨¡³¿¶{ ¥§Ä{ ?¦©¤{¦©¦©¥§ g¥³¿¶° Ì Æ>®+ g¢g³¿ g¨¤5Ä{A½+ gªX£i±0³¿¶{ k¥§ Ì¢¶{£I¦¸¢k g¥¦©¤ R_3Á8Þ¶{ ÒA¢k£I k¥±ª¿£I 8M8 " [ÒA±u£iª UV Á Ø ®°®°¯OÀ¦©¤{²]Þ¶° g£iª¿ g Üa£I±XÚÓÜ;×SÛ0µ ãm½°³«m¦©¤ O3 %c¡G Ü m ß ã
C 8 Ü à CkiÔ Y/Z ´ * ´ û iÝI» Æ>® 5 â Ô ¯¸¤ %c¡àGCkiÔ "3 8 Ü Ù>£Í Y/Z -´ ,( R_ &[ß CkIW Ô [ÜgÑIÑIÑ [#ß Skà A&Ö × >ÜgÑ5» > ´ _ » C 3 " XM Ë9£iª ÎÜkÑIÑIÑ$µ âk«i¤µXª¿¦¸³¿ M =O 3 -N ÜkÑIÑIÑ ã C _ YZ -´ ,( ´ #! » &[ßm ã CGSà>» 3 M C ßmã CkiÝIâ M -N > ´ » Ì£i³¿ ³¿¶°«m³a¦¸± ´ #» &/ßmã CkSà ³¿¶{ k¤¬«S³a¯© k«i¥º³Aßmã CkS%à =ßm ã CGIÔ]£I±D³¿¶{ g¥§ $ k¨{²I g¥aAÄ°¥º³¶°«k¼G $£i¤° $ g¤{¨¦©¤ Á Þ¶°¦¸¥·¢k£I$®9¯¸ g³¿ g¥³¿¶{ ®{ª¿£>£i±Q£I±´ºÜkÑ5»Á
s Ps N
JN
2
q
Y
s
sY
2
gY
___
s Ps Y
___
q
gY
$
2
,
m9 m (Dkj
2
%$
j
Y/Z#@ @/. @/. (Dkj3j
J?¡@CBEDkF P
m etGpXu-p/rÄ{¥ ã ¯¸¤ CW ã ¯©¤ Y/Z ,(R_3/]^"´ b_Y» Æ>® á C Ôiß C ã gÆ>® Ôiß ¯©¤ C ¬¯©¤ Ý C )
s
s
Es
Ws
gY
Y
Y
gY
Y
Y
_
®°ª¿£k¼¦©¨{ g¨'ã䦩¥¥§Ä ]¢g¦© g¤G³¿¯¸À¯«mª¿²i IÁ8Þ¶5Ä°¥ i ³¿¶{ a¥§ ³ b_¶9«m¥·«m³¯¸ ;«i¥º³ O M N 3 ¯¸¤ C] g¨{²I g¥X¨{¦¸ª¿ g¢ ³¿ k¨¦©¤G³¿£¦O³kÍ £I±µ·¶°¦¸¢¶&«m³·?£I¥º³·ã CkiÝ«mª¿ ¦©¤{¢k¦¸¨{ k¤G³·µ·¦O³¿¶ Á3Þ¶{¦¸¥·¢g£I®°¯© ³¿ k¥³¿¶{ ëi¤°«i¯¸À>¥§¦©¥·£I±³¿¶{¦¸¥·¢k«i¥§ IÁ +D^@/. W& CkiÝ m Å ¢k£i¤°¥§¦¸¨{ gªY³¿¶{ ¼G£I¯¸Ä³¿¦©£I¤$£I±°³¿¶{ ¥§ ³ ) eM N#+++ ,·±ª¿£I ¥º³¿ g® C{ £I¤Gµ«mª¿¨{¥gÁ Ø ¥§¥§Ä{? ³¿¶°«m³3«m³D³¿¶{ Ç°¤°«i¯{¥º³¿ g^® ³¿¶{ gª¿ X«mª¿ C g¨°²i k¥D¨°¦Oª¿ k¢ ³¿ g¨?¦¸¤G³¿£ ʱª¿£I; ¡ÁQ¡ ¢k«i¤]«i¥§¥§Ä{? µÃÁ ¯-Á £{Á ²Á8³¿¶°«m³ Uã >ÜkÑÍ{±p£iª·£i³¿¶{ gª§µ·¦¸¥§ ³¿¶{ ª¿ 渥·¤{£i³¿¶{¦©¤{²³¿£$®°ª¿£k¼G IÁ Þ¶° ¤5Ä{A½+ gª 8M$£I± k¨{²I g¥$²i k¤{ ª«m³¿ k¨Å½5ÀżI gª§³¿ Æ 8M$¦©¥« ¦¸¤{£I?¦«m¯ª«i¤{¨{£I ¼i«mª¿¦«S½9¯¸ µ·¦¸³¿¶ gÆ>®+ g¢g³«S³¿¦©£I¤'«m³·?£I¥º³ ÝSã C9c C 8MaÖã Ýmã 8M Þ¶° ä5Ä{? ª«m³¿£iª·¦©¤'³¿¶{ ëm½+£;¼G ±uª«i¢ ³¿¦©£I¤'¦¸¥¹«$½+£IÄ{¤{¨&£I¤'³¿¶{ a³¿£i³«i¯B¨{ g²iª¿ k ãi± ¡Á 5
s (Js
(
Y
T
!
!
T
ÜiÜ
¾±
A´ 8»
[
;
a³¿¶{ k¤
M
´ Ì»
mÝ ã Cc Ý Ýmã Cc Ý ÜõÑIÒ ã Y
Y
Ü
c
11+1Ä{¥gÍ9±u£iª ÑÍ
C
3
3 N
_
H
$
ßmã C M -M N-N ,
ÜÜkÑÍ{¢k£i®°¯© ³¿¦©¤{²?³¿¶{ ëi¤°«i¯¸À>¥§¦©¥·£i±³¿¶{¦©¥X¢;«i¥§ iÁ @Y
5
(
Y
m9 m9
+ DU@/.
F Z
D
ç ³ mÝ=«m¤°¨ ¯¸ g³ + ´ºLÜ » $µ·¶° ª¿ ¦©¥'«i¥¦©¤ ç k]« â>Á ç g³ Ú Û«i¤{¨ Ú c Ü ÛsÁ ç ³ R_0 Í ÅÍ 3 b_ «i¤{¨ H3 õÁ=Å '¢k«i¯©¢gÄ{¯«m³¿ ³¿¶{ gÆ>®+ g¢g³¿ g¨¤5İýB ª£I± k¨{²I g¥ ´b_\ 8»Ì£I± A´ $ ´ R_D»§»5=´§´ 8» $ R_D»Ì²I g¤{ gª«S³¿ k¨Å«m³ ¥º³¿ g®°a¥ Tk T 8µ·¶{¦¸¢¶'«mª¿ ̨{¦¸ª¿ g¢g³¿ g¨¦©¤G³¿£ ¡Á Ø ³¥º³¿ g®T ³¿¶{ a¤5Ä{A½+ ªX£I±¥§Ä{¢¶ k¨{²I g¥±H«i¯¸¯©¦©¤{²$¦©¤ ¦©¥X«i¤ ¦©¤{¨{ g®+ g¤°¨{ g¤G³·ª«i¤{¨{£I ¼i«mª¿¦«m½°¯¸ µ·¦O³¿¶&¨{¦¸¥º³§ª¿¦¸½°Ä³¿¦©£I¤&¨{£I¦©¤°«m³¿¦©¤{² Ü k* ã ¡Ò Ýmã bã TM cÖÜ ã ¡Ò ´
Ým ãIT »¾ã Þ¶>Ä{¥ ´H* ã ¡ÒG» Ü c ´H* ã ¡ÒG» ´ I» Ü ´b_(# 8» & Ý T Ý T ã ¡Ò -´ C(HG» Ü c ´
-´ C%(HG»§» Ü * Ý T T ç ³ -´ C{» Ö?¦©¤ 6g ´ b_\ 8»Á3Þ¶° g¤ ¥§£I gµ·¶°«m³·¢gª¿Ä{¨{ k¯OÀ Ü & ¯©¤ T c:H
Ü & ¯©¤ Y
s Ps s Ps Y
Y
(
Gs
Ws
Gs
(
s
(
@Y
(
Þ¶>Ä{¥
8(H
T
´-C»5& ã Ý ÅÒ -´ C% GH »>¯©¤ CcU¯©¤ Ü!cUÝ Ý c NM %c ¯¸¤ Ü Ü ¡ a®°Ä³Ì«¯¸£;µ gªX½+£IÄ{¤°¨'£I¤ Ý ¦©®°¯©¦¸ k¥ ^y& Ý «i¤{¨&¥§£ ´ {»(& Ý ¯©¤ !Ü c Ý Ù>£µ âk«i¤&«i¥§¥§Ä{? 󿶰«m ³ y& mÝ>Á3Þ¶{ g¤ Ü ¦©$®9¯¸¦© g¥ ´ {!» & ¯¸¤ Ý Ý Ý Ý Ü Ü Ü ¯©¤ Ý i « { ¤ ¨
© ¦ $ 9 ® ¸ ¯ © ¦ g ¥ ´ {! » & Ý Ý Ý Ý Ü Ü Ý «i¤{ ¨ Ý ¦©$®9¯¸¦© g¥ ÎÜ ¡ ¨{ k¨{Ä{¢g ³¿¶9«S³Xµ·¦¸³¿¶{¦©¤'£IĪ·ª«m¤°²i ãI±¦©¤G³¿ ª¿ k¥º³kÍ -´ C5» & ã ±p£iª·¥§£I? A«m½°¥§£I¯¸Ä{³¿ âg£I¤{¥º³«i¤G³ Á ç ³ /½+ ³¿¶° ä5İýB ªÌ£I±Q k¨{²I g¥¹²I g¤{ gª«m³¿ g¨'µ·¦O³¿¶°¦¸¤ XÍ9¥§£?³¿¶9«S%³ /¢g£IÄ{¤G³¿¥Ì«?¥§Ä½9¥§ ³Ì£I±³¿¶° à k¨{²I g¥X½+ g³¾µ g k¤ `«i¤{¨ ÅÁ3Þ¶{ g¤ Ü YZ ,(R_\# s [
_
´
]´ k» ´ k»
Y/Zq ]"
_ /VU Q _
s [
´ E ÜS»§» ´ºÜ;ßI»
³·±p£I¯¸¯©£;µ·¥·±uª¿£i ç g?]«]᳿¶°«m³ Y/Z ´ ]" ]´ k»/V ´ ;» ´ E ÜS»§»>´ _ YZ ´ ´ E ÜS»§» _eM » ´ºÜgà5» Þ£?¨° k«i¯+µ·¦¸³¿¶'³¿¶{ aª¿ k¥º³·£I±´ºÜ;ßG»3µ aµXª¿¦¸³¿ Y/Z ´ ]^" ]^" v ? ´ ;\ » L ¦©Ä{䨰 g²iª¿ g ¦©¤ ] ´ ;»·«m¤°¨³¿¶{¦©¥¹±p£i¯©¯©£kµ·¥Ì±uª¿£Iäç g?]«i¥Ìà9´-«G» «i¤{¨ÅÜIÜG´-«5»Á Ù>¦¸¤{¢k `´ ;»3µ ãI¤{¯¸À¶°«k¼G ³¿£¥§¶°£kµé¤{£;µÎ³¿¶°«m³X³¿¶{ ®{ª¿£i½9«m½°¦©¯¸¦¸³¾À³¿¶°«m³ }¯© k«k¼G g¥¹«$¼G ª§³¿ gÆ £I± `´ Á3¾¤ £5¨° g¯8Üaµ µ£IÄ{¯©¨'¶9«g¼G ] ´ _eM »±u£iªX³¿¶{ 4ÃÙ £I±´sÝIÒG»Á Ì£;µé¯© ³ ´ K 0»¨{ k¤{£i³¿ ³¿¶° Ã¥§ g³¹£I±µ«i¯¸É¥·¦©¤ 0`±ª¿£I
³¿£ Ì£I±Y¯¸ k¤{²i³¿ ¶ ¬«i¤{¨±u£iª V !´ 0»¯¸ g³ YZ ´ é » YZ ´ #g ´ 0» é» °Þ¶° g¤'±p£iª V K I´ 0¬»3µ ö°«k¼G YZ ´ M» YZ ´ $Nk» YZ ´ ] g $´ #mÝG» #] g $´ ;»\ {» Y - g g £I¥§¦¸¤{²?«Aª«i¤{¨{£Iµ«i¯OÉ M±uª¿£I ³¿£ &«m¤°¨'«Ãª«i¤{¨{£I!µ«m¯¸É ±uª¿£I A³¿£ ÁD˰Ī§³¿¶{ gª¿?£mª¿ IÍG³¿¶{ ¼i«mª¿¦«m³¿¦¸£I¤?¨{¦©¥º³«m¤°¢g ½+ g³¾µ g g¤]¨{¦©¥º³§ª¿¦O½°Ä{³¿¦¸£I¤?£I± M3«i¤{¨ «aª«m¤°¨{£I µ«m¯¸É £I±Q¯¸ k¤{²i³¿¶ iÝ$±ª¿£I ¦©¥ ]´ _ N »ÁÙ5¦¸?¦©¯©«mª¿_ ¯¸ÀIN Í{³¿¶° a¼i«mª¿¦«m³¿¦¸£I¤'¨{¦©¥º³«i¤{¢g ½B ³¾µ g k¤'¨{¦©¥º³§ª¿¦O½9ij¿¦¸£I¤&£I± «i¤{¨ «ª«i¤{¨{£I µ«i¯¸É£I±¯© g¤°²m³¿¶ ±ª¿£I ¦¸¥ ] ´ »Á Ì£;µ}¢g£I¤{¥§¦©¨{ ª M¹«i¤{¨'¯© ³ ;D½+ a³¿¶° ¨{¦©¥º³«i¤{¢g ãI8± ] $ ´ >л±ª¿£I7 iÁDŠãi½°¥§ ª§¼G a³¿¶9«S³·¥§¦©¤{¢kL yV " "¿Í µ·¶°¦¸¯© ³¿¶{ aµ«i¯¸É¦¸¥Xµ·¦O³¿¶°¦¸¤ £I± a³¿¶{ è{¦©¥º³«m¤°¢g ³¿£ AÄ°¥º ³·²I£?Ä{®&£iª·¨{£;µ·¤&¦©¤'£I¤{ Ã¥º³¿ ®È«i¤{¨³¿¶°«m³ > Y/Z ´ ; M5 ;6cÖÜ ; S5» &ÎÜ ã*Ü¡Ò Ü;Ô
Y/Z V 5
%
#_
Y/Z V
M
#_
V
% M
#_
#"
V
%
#_ 2
#_
%
AS
TS
pS
2
TS
2
M
@S
S
2
E%
ZM
;M
S
#_
#_
AS
%
ZS
_
s
_
2
¡ aµ·¦©¯¸¯0¨° g¨{Ä{¢k ñª¿£I ³¿¶{¦©¥³¿¶9«S³kÍ{µ·¶{ gª¿ ´`S»¦©¥³¿¶° a¥§ g³·£I± ?´ ;»¤{ k¦¸²I¶G½B£iÄ{ª¿¥·£I±iÍ Y/Z ´ MX£iª ]«mÉG ë u-pXs Guvo ³¿£ ´`S»§»]´ºÜ#SãÈ» s´ ÝIáI» «i¤{¨'³¿¶{¦©¥X³¿£i²I g³¿¶{ ªXµ·¦¸³¿¶Å´sÝIÒG»3¦©$®9¯¸¦© g¥´sÝÜS»Á Þ£¼G gª¿¦¸±uÀ´sÝiáG»3µ Ç{ª¿¥º³·¥§ g ³¿¶°«m³ -N !c Ý C Ü I 3 YZ -´ ,+Ü > i%Ý ;E Ü S» !c C ã*¡Ò 3 -N ´ !c Ý C{» I 3 ´H* ã ¡ÒG» ´ (c C{» 3 N ´sÝ ´H* ã ¡ÒG»§» I s´ ÝGÔi» Þ¶° g¤'µ ¶°«k¼G > Y/Z -´ ,W> [L Ñ \N ;8éÜ ;Ü !M \N Ü > Ý ; Ý s´ ÝIâI» ã =Ô ; ; > ã ÅÒ ã ÅÒ !5Ä°«m³¿¦©£i¤¡´sÝIáG»3±p£I¯¸¯©£;µ·¥X±uª¿£I ´sÝGÔI»«i¤{¨¡´sÝIâI»Á _
rS
S
2
!
mq
ZY
Y
3_
;s -_
_
Y
_
#_
_
_
Y
_
#_
_
_
Y
mq
N
JY
_
_
s A_
Y
_
_
m$
Y/Z#@ @/. @/. P 3
mP
Þ ¶°¦¸¥Ì±u£I¯©¯¸£;µ·¥¹±uª¿£I YZ ´ ]^" ]´ ;»!¡ ;»! ÜQ ]´Hã _EM »Í_«i¤{¨&³¿¶{¦©¥¹±p£I¯¸¯©£;µ·¥·Ä{¢¶«i¥¹¦¸¤&³¿¶{ ®°ª¿£5£I±Q£I±´sÝÜS»Á3¾¤'®9«mª§³¿¦©¢gÄ{¯«mªk_EÍ{M µ A¥§ g ³¿¶9«S³·¦©±Y«µ«i¯¸É¦©¤U ¥º³«Sª§³¿¥Ì«S³ V 4"3³¿¶{ g¤'³¿¶{ ®{ª¿£i½9«m½°¦©¯©¦O³¾À'¦¸³ ¼¦©¥§¦O³¿¥ ̦©¤ Ì¥º³¿ g®°¥¦©¥Q ´Hã »Á8Þ¶{ k¤µ aµ·¦¸¯©¯+¥§ k ̳¿¶°«m³ YZ ´ #]^"Q v ?´ S» »éÜ! >´ºÜS»¹´H¥§ g ´sÝI×G»Y½+ k¯¸£;µa»ÁD¾¤ ³¿¶{ ¹®{ª¿£>£I±+½+ k¯¸£;µ µ ¹¢k£i¤°¨{¦O³¿¦©£I¤£I¤ ·½°Ä³³¿¶{ ¹®{ª¿£>£i±¦¸¥¼i«i¯©¦¸¨ µ·¦¸³¿¶{£Iij³¿¶{¦©¥¢k£i¤°¨{¦O³¿¦©£I¤{¦©¤{²{Á Þ¶°¦¸¥·¢k£I$®9¯¸ g³¿ g¥³¿¶{ ®{ª¿£>£i±Q£I±ç g?]«'ÜkÑÁ ¡ aµ·¦©¯¸¯0¤° Æ>³¹«mª¿²iÄ° a³¿¶°«m³ Y/Z ´ 3 #]"4 ] ´ ; » L ;» ? ´ __E3M » C^éV1EÈÄ°¥§¦¸¤{²«i¥¯¸¦¸³§³¿¯¸ ]¦©¤{±p£iª¿?«m³¿¦©£I¤=«S½B£iÄ{³Ã³¿¶{ g¨°²i k¥A¦©¤{¢g¦©¨{ g¤5³Aµ·¦¸³¿¶ E¬«i¥A®+£I¥§¥§¦O½9¯¸ IÁ Þ¶>Ä{¥gÍ_«S³·¥º³¿ R® >Dµ aÇ°ª¿¥º³· g¥º³«m½°¯©¦¸¥§¶'µ·¶{ g³¿¶{ ª¹«m¤5À£IE± (cÖ3«mª¿ ¤{ k¦¸²I¶G½B£iÄ{ª¿¥X£IE± ]^;_eMkÁ8¾±³¿¶{ ëi¤{¥ºµ ª ¦©=¥ ÃåAÍBµ ?¨{£'¤{£i³Ã¨{ ³¿ gª¿?¦¸¤{ ³¿¶{ k¥§ ?¤{ g¦©²I¶G½+£IĪ¿¥gÁ]Þ¶5Ä{¥ÃÄ®³¿£³¿¶{ $Ç°ª¿¥º³³¿¦© µ ²I g³a³¿¶° ?«i¤{¥ºµ gª Ù9Í ³¿¶° A¢k£I¤{¨{¦¸³¿¦¸£I¤°«i¯Q¨{¦¸¥º³§ª¿¦¸½°Ä³¿¦©£I¤È£I±Y³¿¶{ A¤{ k¦¸²I¶G½B£iÄ{ª¿¥Ì£I± ¦¸¥¹³¿¶9«S³Ì³¿¶{ À«mª¿ ¢¶{£I¥§ g¤±ª¿£Iä«]¥§ g³ £I±3¥§¦ gL \ > ´ §»X k¦O³¿¶{ gªÌª«i¤{¨°£i?¯¸À ´ È£>¨{ g¯Ü;»·£iªa±uª¿£I䳿¶{ $¥¿«i? $¥§ g³Ìµ·¦¸³¿¶È®{ª¿£i½9«m½°¦¸¯©¦¸³¿¦¸ k¥Ì®°ª¿£m®B£mª§³¿¦©£I¤°«i¯³¿£ ¨° g²iª¿ g ´ È£>¨{ k¯ÝG»Á8ç ³ ; ) Ù«mQ³ >«i¤{R¨ ]^;V ) !cÖÜ +++->=,,IÁ8¾± S_ ´ ];_eM+->Ð\» S?³¿¶{ g¤ E S Ü Y/Z ´\; »\ E 1 1 ´sßIßI» _
_
_
7
7
_
gs
s 0s
s 0s
S
>Ù ¦¸¤{¢k EM;* ; ;Yµ ö°«k¼G ´sÝI×G»3±p£mªDC^éÜiÁ Ì£;µ «m¥§¥§Ä° ³¿¶9«S³ >Ma¦¸¥¹³¿¶° ÃÇ°ª¿¥º³ >±u£iª¹µ·¶°¦¸¢¶;£>¢g¢gÄ{ª¿¥Ì«i¤{¨³¿¶°«m³ ]^; _eM4 MkÁ Ø ª¿²iÄ°¦¸¤{²«m¥Ì¦©¤³¿¶{ AÇ{ª¿¥º³ ®_«Sª«i²iª«m®°¶ £i±_³¿¶{¦©¥3¥§Ä½°¥§ k¢ ³¿¦©£i¤0_EÍ5M µ ·¥§ g X³¿¶°«m³8³¿¶{ ¹¢g£I¤{¨{¦¸³¿¦¸£I¤°«i¯°®{ª¿£i½9«m½°¦¸¯©¦¸³¾- À$³¿¶°«m³\;£>¢g¢gÄ{ª¿¥8±p£iª(> N >MkÍGµ·¦¸³¿¶ ]^; _EM5 #N M·¦¸¥¹«i¯¸¥§£ ? ´ E »«i¤{¨'³¿¶{¦¸¥·¢g£I®°¯© ³¿ k¥³¿¶{ a®{ª¿£>£I±Q£i±´sÝI×G»Á ZN
s 0s
m$
m'
Y/Z#@ @/. @/.
ç ³ ) M+,«i¤{¨¯© ³ M½+ ¹¼¦©¥§¦O³¿ k¨ ±p£iª³¿¶{ ¹Ç{ª¿¥º³X«m³³¿¦©? $ MgÁD¾±C M EcÒ $ ÜkÑ ´H¯©¤ §»Y³¿¶{ g¤ µ Ì¢k«i¤¼>¦© µ ³¿¶° ¹µ«i¯¸É]±uª¿£i³¿¦©? M£I¤Gµ«mª¿¨{¥X«i¥«Aµ«i¯OÉ £I±0¯© g¤{²i³¿¶$&[Ò ÜkÑ ´H¯¸¤ §»8£I¤ ³¿¶{ ̲iª«m®°¶ 0 0 c MkÁ Ì¥§_e¦©¤{M ² ´ºÜ;ÝG»±p£iª#0 µ â;«i¤«mª¿²IÄ{ iÍ+«m¥¹¦¸¤&³¿¶{ ®°ª¿£5£I±Y£I±X´ºÜkáG»³¿¶°«m³·³¿¶{ âk£i¤°¨{¦O³¿¦©£I¤°«i¯0®{ª¿£i½9«m½°¦©¯©¦O³¾ÀR]^"\¡Ã¦¸¥ ´ » «i¥Xª¿ 5Ä{¦¸ª¿ g¨BÁ Ù>Ä®{®+£I¥§ A¤{ Æ>³³¿¶9«SQ³ M !c Ò $ ÜkÑ ´H¯©a¤ §»Á ¡ aµXª¿¦¸³¿ YZ ´ ]^" ]^"Q ] ´ ; » ¨{ g¯8Ý>ÍB³¿¶{ ?«mƦ©AÄ°¨{ k²iª¿ g ¦¸¤3 ]´ §»X¦©¥/]´ M -N » ÚOÜ;áSÛsÁ8Ë°£iª È£>¨{ g¯8Üa³¿¶{ ]«mƦ¸Ä{è¨{ k²iª¿ g ¦©¥ ]´H¯¸¤ §»3µ·¦O³¿¶&¥§Ä ]¢g¦© g¤G³¿¯¸À¶{¦©²I¶'®{ª¿£i½9«m½°¦¸¯©¦¸³¾ÀIÁ ,
7
J7
m$ m$
5
i
Í0¥§ k $ IÁ ²{Á
Y/Z#@ @/. @/. P '0
¡ aÇ{ª¿¥º³¹£i½°¥§ ª§¼G ³¿¶°«m³ Y/Z ´ =´`- 8UÜS» =´`- ;» W&[ÝG»\ ? ´ _ N » «i¤{¨&¥§£?µ ãi¤°¯OÀ¤{ k g¨³¿£?¢g£I¤{¥§¦©¨{ gª·³¿¶{ ¢k«i¥§ ´`´ºÜS»§» Ü!c f " M f =O -N O Þ¶>Ä{¥gÍ9Ä{¥§¦¸¤°²?³¿¶{ a³§ª«i¤{¥§±p£iª¿?«m³¿¦©£I¤{¥gÍ b # «i¤{¨ ^
d Í{µ Ç°¤{¨ O " f Ü ! c O f-g O? ´ §» Ü £ O¯©g "¦©¢ £ M Ü!c f " M 6f =O -N O¯©g "¦©¢ _
_
!
_
W
,
,
,
,
M
@%
Ý#d N
O
= _Kf
_
f
M
M
f
«i¥Xª¿ 5Ä{¦¸ª¿ g¨BÁ
£
5
f
ÝSà
%
S&M
_32
_#"
S4%K
Ì Qg$
& I'Q ¹ Ã8 Þ¶° ª¿ A«mª¿ ¥§£I? ä°«m³¿Äª«i¯C5Ä{ k¥º³¿¦¸£I¤{¥X³¿£½+ gÆ>®°¯¸£iª¿ k¨'¦©¤³¿¶{ âg£I¤G³¿ gÆ5³·£I±³¿¶{ ëm½+£;¼G ?£>¨{ k¯¸¥gÁ ®{³̪¿¦©¥§¤{¶{¢g£I¦¸®9Ä{«i¯©¨¯-ÍQ½+£i A¤° ?®+£I¥§¥§¶{¥§£I¦O½9Ä{¯¸¯© ¨Å³¿£I£]¤{ g¯¸À¬Æ5³¿¶° k«k¤{¼G¨ ?³¿³¿¶{£& g«i¥º¤°³«i«m¯O½°À¯©¥§¦¸¥§¦©¥¹¶Å³¿³¿£ ¶°«m£i³Ã³¿¶{ª «iªÌ¤{?¨{£I£> ¨{ gµ¯©¥Ì«i£I¯¸É>±Y¥Aµ£I ¤½{Õs³¿²i¶{ª«m g¥§®° ]¶{¥Ì²iª I«mÁ ²{®°Á¶{¥ÚÓÜ;«mÝSª¿Ûs ?ÍDÚOªÜ;«Sá;®9ÛsÁ¹¦¸¨{¾¯¸¤À ?¦OƦ©¤{²{Á «¬å¹¤°µ A k¦¸¢k²I«i¶G¤³ ¢g£I ´¤{:{¥§»¦©¨{«i g¤{ª¹¨ ¤°£iµ·¤{¶{ÕsÄ{ k¤Ö¤{¦©±u«S£i³ª¿Ê«¬ª¼G«i g¤{ª§³¿¨{ £IÆ è:=µ³¿«i¶{¯OÉ ¥g¥ºÁÌ®°Ù5¦¸¨°Ä ®°ª®+£I¢¶{¥§ A£>£i±p£i¥§ kªÌ¥ Æ{¦¸³¿«i¥]$¤{®9 g¯¸Æ> ó]³¿¶9¼G«S ª§³Ì³¿ k g«iÆ=¢¶ µ·¦¸:b³¿¶UVU®°Ú ª¿Û£m½_¦©¥¹«S½9²I¦O¦¸¼G¯©¦O k³¾¤À ®{ª¿£i®+£iª§³¿¦©£i¤9«m¯·³¿£ Q ´ :»Áx¾± a ´ :{» ´ :{»'´ = ´ :{»$¨° g¤{£i³¿ g¥]³¿¶{ ¤{ g¦©²I¶G½+£IĪ¿¥ £I± :{»³¿¶° g¤U³¿¶{ ¥º³¿ k«i¨À ¥º³«m³¿ ¹®{ª¿£i½9«m½°¦¸¯©¦¸³¾À 3 ´ :»8£I±0½+ g¦©¤{²«m5³ :?¦©¤¥§Ä{¢¶'«Aµ«i¯OÉ ¦©¥®{ª¿£i®+£iª§³¿¦¸£I¤°«i¯_³¿£ ´ :\» Q ´ :» a ´ :{»Á Ø ²G«i¦¸¤BÍ9£i¤°¢g ãI¤{ A¥§¶{£;µ·¥Xª«m®°¦©¨&?¦¸Æ¦¸¤{²]¦¸³¹¥§¶{£IÄ{¯¸¨&½+ ®+£I¥§¥§¦¸½°¯¸ A³¿£?£i½{³«i¦¸¤«i¤& gÆ>®{ª¿ g¥§¥§¦©£I¤&¯©¦OÉG ´ºÜ;»±p£iª ³¿¶{ ä5Ä{A½+ ª¹£I±Ä°¤G¼¦¸¥§¦¸³¿ g¨&¼I gª§³¿¦¸¢k g¥gÁ Ŧ©¤G³¿ ' ª¿¶9 k«g¥º¼G³¿¦¸ ¤{²£i¤°³¿£?¯OÀ g k¥º³¥º«m³¿¦¸½°]¯©¦©«m¥§¶³¿ g¨«¢g³¿£I¶{¤{ '¢k g ¤GÆ>³§®+ª k«m¢ ³¿³¦©«m£i³¿¤'¦©£iª¿¤U g¥§£IÄ{±¹¯¸³k³¿Á ¶{ &¤5İýB ª £I±ÌÄ{¤G¼¦©¥§¦O³¿ k¨U¼G ª§³¿¦©¢g g¥gÁ[³?µ£IÄ{¯©¨U½+ -?
FK
UK
H
:
A=F?
A?JK ?JH
=
¹ Ì& ÚOÜ Û $Á Ø ¢¶°¯¸¦©£i®{³«i¥gÍ Ø Á;ËY¦«S³kÍ Ø Á ÃÁ A«mª¿¯¸¦©¤$«i¤{¨ËÁ È¢mÙ5¶{ ª§ª§ÀGÍmÅ ½$¥§ ;«Sª¿¢¶A¼¦«X¶>Ľ$¥ºÀ¤G³¿¶{ k¥§¦¸¥gÍ u-xppz