ࡱ> '"#$%&n lBQނ2hXmPNG  IHDRl@sRGB pHYs.> lIDATx^]TIX /z@T\\ }T@xS|3sfÙ3U_UWWw9q@ 0^ "N$ &!Nd|Q9‰ $‰L/*@8@ @8IE@ '6ܽ{b~7pd"l2A`_paϿ}.Pӧ^F$2ZT$p/^fҥKK 8'Nܹs4b8}dy)}7o89y$n\E 3E#ppp0epw:n<әˌ6"1ܢR׮]ǏKY*ۆ'! !G}pכ7o7.4ә]0e:u?~ oFp"{nYtLg[?] z бUFәRG0ӄ@t%HA&D<{LI!(' ,n2cAy3Q-MWMd5l7>}\`]";vL:Shq5"k"}>wJc.pԩUX@p4۷ohR <(ܻw+qH 0URl~J9Bɯ˗+Wl0bm\}ѣGHd~:z S>* @S:txꤰ6:…Paji*W,+ L{϶+>W@/^88UlwbI.JEE _F/Omjf+:$}(2V^@V"JވoiʃEcC+/WR[1B(FWXfS$ - }24U~}w!(] ZW W,VWHIYJ|b)['Os(.0ߒ%GuMD&v6XI V +ߧ,o  0RňhQLމ0!N:1ݴ@- )Ǔ4ѿMKIf)"+ @?tCd%ND7wU9CE2,Wom~{ "WK(:TȊ Q?I„)}vܽ+;8PviMeHԄ _3kBVD4.OP!kV,g3aҊGz2z&gF02̒d(ت4J%A0::/9ARv`rc2(E;lRцے{[C{&}M:dm8b:6W0 'r:Q^HΞd}c;Z+Oj_؅.=7zϿCӥ3\`҂ڢJj,:9J.짢.dǮ$/;p:Fi1pUأtAWAs qkKC-Ô^آ":t4e }sgu&?g(. J"A #鶱뎚,CL)pM>|.KyʠÇ)p>w( S&r4A: ty4OA4.4q߮ r%1&rsMjeG|iQ;lL -%:cnu"d$Lh=-IʔL' u&H3V[`Ez7A <8X.M{REkѩ4j_^ Lc1RCt8*dLbڥ6%KET rSd)e̋ ~vʷo̒J, @ g wFNYY0_#Gd [*f7wVeZ*EפfATN Er+qf0)43bKh"_vY+>eݻRCh f }fWLM(-dkUkH+(O1,n2̍S 2foʺZYhWډd}PuQ͘#hV`u`-19qLdN)@zk|dH \q.Yu'b7*(G@ҁ:'NV1ԤnRG[NG"lK DhB̔TLu`"ܥu[,@]is &g3h҄61TP-T)϶?T1b|u Wj==`>C:6ba6ƧD$Hv=mhXZD#Sfhd%DiW/ fv+ljzf9~|IfPn5辪j'6RKܮi1Df!Ab5yVfha@>z]pR&q&SX4)kEMC)u܊ϵJs{bP53q(ЄUn 0O*=JvJ{\V[%-eUre`ǨUPAduc=j#:&`(nCOZKwEtD/rLq p"Md \&HD gP @5N~W(z{h"Foe3wfKi-"52]2*[~<:tc|He\nj:AQ+Ve"m[Q,$%1Q{LZ6q Kr0܄պs3D]E=.F/_|mW;Sg)n7pq_<[///g00 6@``ԅ@d`ԅ /_f7-sz ...sRl{GHR.+ggg}gzzzz\F9;(߽{D =0-||||?={Mڕb Kޞ޷C}3,T05J՚z5`ԭј)f`k"u4OArmeF 9u!980n޿=Ӭ&٠txX碾&77u!H4j͵nh 9u!rW8)+ 4(n'r> |#"vvv\>)|,q,wUӾ*^?r#[}Mդ; z5=0՝rHn4{k(ը-X= keu 5J7~` ]}6tB nF@ t|6!׋\b`ϴ|dOTuc)&%lNv51pS@1 Z$*hvD9}:L;{u#H4bH8EÅn WأJqܜfsB٢ ^8Ouyya.\Ëߨ J e aJ'tzR y=yl0ST r8(&‚Zx'&"8;*\DEX@"gJﺕD/Ka"&ONjupA[/Odj.&7# b=\ }D tb`/* l4C}4"39q`䜔 ///1hNXwpFʙ0|̰F/z*{/T:%L=fȒf7TzC )kl0&N1xGH){ /focex!ziB7 j\rB[V1Zgc 9_D@h=kd]/NIWEz}{Urxv^p*LnD4LP]#1=j1Y(bonn<~9eKnF媣cۘIa3σ <-w X]W;Cpx7~b%Q>6T. sj[[[5x~A`hYpIIGauLv"YhB/Ȯųsq1Ww I//yu{pךƭ0`Ӛ?4%XQ@wMV0ތд/)vaPĠžHY5\x۔ ][C4V<0fZ<cQXRۮEع.g}ix6tp̵JWYd(Wj*%3$"N=ge@J0ԫꂳ>ǃ}Aj)vK%+5jv@*ҏ-2UP©VuAZ?ʞbHI眨9BA QD'0?@ ]ˋn~ R;=eBnpy<^\`XȺH!@C[-|Ny?4zeC{6RB*;%Z<4GS)lm_H*f#fI2C\n}R\ pTp={Rfa!x#Ó͉)F. 4J89Dd6p.G@Ʒ w'zڧ9jPL8ۡcp+ˊU([p(,"`(B޲XIK1ސOUn`l+/Dlt93J @zqQYH{Q>m5$%(?0jN?rkFW5d?csYGr32?̺f%;k[VdNջp)ɛ؆5 Xz6prrr³DQ7O,`1[a[T ÇWј`wc`@PƑw 1WWh ^^c.X}0 ^+}KmF*sIENDB`nXŤ&ȻS˂PNG  IHDR<$sRGB pHYsjIIDATx^gGvG?@BJ/$wjz$bf1k1Z 1E@ 0xfhY5 MŐāLv4YtZX@>qη޺֭w}uO:ԩSNz/ֳ$$$$$$$$$]%~'.=XXXXXXXX8G=G%%%%%%%%.XXXXXXXX8G=G%%%%%%%%.XXXXXXXX8G=G%%%%%%%%.XXXXXXXX8Gm(OO*% U, , , , , , \WmUwoރKZX\@,'ա?r[BI}HO0O,f2%`HU-KKKK7SmU=ß0*Ġ5 </yo-UR.z쀒 >#D= ՓZd. KKKK7GmUן}/KaGW 1b *"G:{BLyW "Q)JG(d!䎼CSc#D(l,%>Rͥ燢aoֺG,r}{VU$Cg8'ơmQ$$PK%I[nݾ}#p<~믿. ? /@y 01?F"\Ku0DdAv<xyw t@ 9̋PH޽`ؽ{I*'BFz>D 3ſR~i| A:J7|`)y'N5Bot~'-OQBl?)wQwE5!`YSk$ A$e#g}V(àt Fv[ O5RR%6% m]d\߷Hhd' oWW_fwH ZRRTV`vtgcQӭS+?+ ѡ<&"\'GȻYKQXI-/IÂQ!sf%IIx[ ѿ":|Qī\+=*E =NG,mKʫEŖm-; roH,kND _%I@y )~.AW%曾 xR /xX#/ү89X* s'mzץ$- 4@ 8MuU@Q` i'H縋(e3$ bO.s9˻E:VFZ]:Mq9>Fi %6zx׿/ ,jX[!"!; v祔vT/D#}ЩmvE" XS#- (%vDž)RȣN!6ѣ"$+.HF a`y% xsLoHM]s1W0 _Ϝ9d&[+x08 3Τ~iEh bglF+7!ߛcˤ$wR"lNuXDJpvyGSU)5`cSS䈉(ȟ٬[ MRrazHMɶei[h毶+\2hk' -`j vg) ył5$F Mme@dZe7M1K5*L/B,)LU:U}2,q'rA`K#ujwݬ)`U԰HVLV)|r`TX0 Ł2{x42#ؘe3D$CO 仾l UE'fmeyha4D<rJWHI}wj 6"Gh '&QSz5>B,*8auH$+\YHZqINpڕ$'+iMь(pևBl\|Hxu؟ &4\B#@6mBƖ3t"dpطʮB *#}9ꎽ h(|a ?fS*&)O`/ɦz U$v[P0TΌL7k/RQdyYS1m7:@[2&|G0 eSc> 6IuA.;v2taΘݒɾ; 7y$kzWDG͢1̵EҦm@, iD$m9Hdm^Dq=,ycU ϒቆEG g[XX8K̟U)%%< Dqoye y\KKK7A8RrS~J'׳$$$0zxΡݼlwǯE -n@]sCd\X'a}NN7r̽4߄de_p.{֭[: 72?~$XU'+}aF')}K/bzl%6w!#4% wűkgp<h]+H̾1ٕ2^TlYb;\x!Da% E@'O믿=Oz!w8+۴y|VXj\NM 瓟,HO? y"ٙ@=zΝ;xC=o[+3\z [QAk*K?X0^X @ R$y >6e;)`C90x(NJ_I HOP m~v !(wҬ`S@&z)D-=HT$K`_섴wz t eMyW!dh%zd[='0mcN9VW"-L*kI`IJ'N-+)mƺx9bM`p<\1I1EGkA.O< bĈdh7|X^~? F>LRC޽_j6j6fK+M 3(8F_~ ڸ8'FbF.FSaQ+ ^$Plesj ͟ű5C4kZD+d:f$ek ŧ>r\;M):Ύy & f&r͌EDND&لM: C$y"=ѽ!XYWUI`K˖*C]v嬭hH4sJ5_e6wU^;~QKN` 8rMT 0Lv*;0ɣ#mBJl5NZZ&ekFhz;x2l55d'O6xTB~ug9EN"ET'Q/TD(>>04fM;+EeT}?;}Az z.Aab jFJ6r 9 6E*7,OwY̸\]7f|Cxza(99X{[) -p O@{=i3wzEg5rARD9;Ljr -*ܱG!)VTlZ?%j!~y睒I dMkFXN AiHAO{WRJY:@ <$n" i+$#UE8%,OJl aC/ (oZҰ l7N!<y1yWxwߌ3<{\hBtӫlX{]^6&md^u)N%iӸLO?_#~.??я~|-bHSk ( ǰ( 7Mk>=2ڮ9xkREΎ%{Ֆ1ŋ],Љ"#9Yf|2JCqҙLoEbG.ƽ[cjP.xPrOu; +b׊*:'eN<$N'~iW!̋+ts=:Bޜd2Va)'m8 |γhuY磚;& ~ *oGCILtyU*wӨPM_JS̼)YOXqA>^Fb_VcYO'Kh^,^r9_lB'FJ~! ?;fx]PЗ "G.IIw2oirϥ·ؤ ݻw?@g `o쬋9 [.sRDYN)EN@9 ?BR?a~rVs2(^re;,wg•E<ܺQ}PSѴWc)NIÉ)bMHȤ8=ZݵvX;k CUFy6*R.&l\=tu!25y{ͥg**-d^uyUH ޛ)tV,?+z\,,pr4kzzf:|n`]u([j=4HxHs|71B;ʠ!`f3fxIN46c: sX|Ņ86.Tic˹#|o#Dp eN-s$2(%Gڂ$i4:'Oէ3bµ+ubꗻ}wxh4呫 .aҥ ]d0 oxCjPf1RIRd_0ӑ:`u{e #yY% #>K7(W贽C 5VhLSS>J1>ou%{8t׬Aa7\{ [׵&{eԘ/Ҫ/?v.+FxO\7=١ AqR}PI 5?3E xm*)e(nF4 ~y{]EB~Χ!nj[cf'>hvSY E,7]Zj{RK[0y&GkDႃwD3jyxC{]= Zj2%wgׅw|ŻL 4~+I >* SN(En3~myÏ$pc̉\kQ)gTzJvy<J4KJLfkLj=Igi$*ak1%: PZ7eg>Y.1%|(<^&<7iSwMK*MRH:X^"Reϱwj͊E<[Bωyi^cʥ#w~uSPΔcX#FrZ80m3Rke5 6o0d1?=Σ@KZȷ r3#!1gy`%<xRLf9V"s1 51*ڊEud!%L[a:5B,/!U- A YHZ_ uJ6R/hk0 94HcӀ#ȝETg\@7NPGZ8e"oD*X  *2,>ldFΐ`UFush>LԌ#E&Ryh_cx m^ qta#/`|H!] #Y%#ݴ0b#=83_Z8&k[اJ~VX.ad(R+u; !h4&|Ƙ! MDdp晑w:/[|.G*=:>y~(ޱ#Y04q.cb.dIu.\ [z)[,TA2p,ZzDȜݫ8pQ֗Hu4I֞Xf`##gd*Eٚhۋq Fj-01 u\xH9 nOܧ8#kq,F| H&!tgU{ No5|S %!YBT2\aB N{9kujZܾ}/xkU(uDE/:kO,`.qU`6+23v_ZQzM1$fnBFW0pۯ8d+(l %S|rbf2d`ؾc9"(~i;a̢_"YjUdʒ3HQ " Fp ݑĔUR{*?G1&'k~" *0}sJ"9P%o}Xb#vUag 2_CLtODkῖw?tPqH C(6%_ZPwϢkDZAUex5;vut0[06^#=g(؏e5`\e`9K_爏 2>A\OlXeh/$fڶA]HRKKN]y='%C 1rZ3%]1rO=u`7ŸhAMqQ9_ͼ+yC dC- wE'x| r *"uOKuBIB>Ih=eP~Ou9" 2+Zخ艖>a)ƅ0{@(s# 7ŭ} b)R%ӕ< ( -T|ζ[_ o7g|k2$l;FI8%WދG >oDE7lB}J8ǙtiBa H&U\0; 4ƫ˫+ٻ٧,:*졮.{g=Qz~VOtdM@P %wvؑV$Ѕ=Z\haR+E:5uΠ@Peo M¼<$q)peI rTg4)s[kl)h*$)t,{9HECgP3gنp;/^x)00ӹ=z/(o_Ō.r)$y*W"= {$dBB&И?UPCHaWRYnmny\ܔygS?|4tS@FN,y>V_c1F")۟?*%C=94 VwYE-KvB%uS>L1BI9mRh>9R:uSB:DsKKN[j#!Xc'Bxm$`Zi p!^g!"qNΗWjyj꭭] N\9,`sTF1^]B?OmkߨQ14d-yܑM_mE8ш0Կ ,Ȁ "/2 "N GVڼ>{*%\yR3 o~Ӵ qaePPj\4v빢.:%uvri#8l~QB[RVBgUKsM-Z _/ZYlgv5PY4%w0; D81YؓE\0_~71A56%<;|-Ugu=~:|&X~­[b!<B0ٲ gqܾ}SHD[#BA+({M6'cѨ~Az1=Q ߿̄튜1exvL\BưySj2IE#O<'1GTZwH0 ~k#N()~xpQE9a 8r3W<) I\2j(` orV#/Vc:bFKJ=dy<1ɠKp#JY IE ؖ8e%NljM׉VN4j< "XN77،GFo$ڠ+N3_\wY3>?m[)%YudL5A{pwbE<ٛ6]ص"R5-.Ug5l@5< ޯ[lbqؙj)n~P'm(l`y9y0wMxpzrtw|ձD@KC0/~Y-_0,~գa1$"QNEE,;4w(v^nwi`ZCE?$V\-fF`{ÇA)|ׂN=1WhǼ {{4ۺ36Aywg{*):ox?ծvdB|o. #'y+lw0J6#j o Yڈǚ"0wZJ_|'bpyI!iCvN$HavKRfEآ}Dп{ffp%]6_(,Տ:ih/+U rfP0k ]^]i=Qh=.џO5ۏC慠Y^v͍tnRotZ{NM'J/su|P94rbt[':zLzaNGc9K?9Tl_ZWOkK5aO2820:Ş+6PzҜz{H@FWŐmC\u_\u+(B7Ǜiʂܪf_"wbpMY1 먳Uq$BslhI4ڑo$SB_ | NKҟYY:8O4rAx~'tϪ+}FE v&28Ըwxm1W *ZSjҧhq%_ߟ'5e(ͦL(;SD +U񫯾XկhvzxG^60ޚ3d; ,H0|MK)w*哏v>Q9(^v_Y2 hWT *tN!Ɗ\t^&B )Ngd+._hԓDZUw.`U;X92GC5Ko) @TG,8'j,j> A"%9bSmԉ4%ulktq' C=“r)zklT5#o /w:zG+om#֥}(n-@x>z(@;T`C;pT^|tI/ݹ.`{6U5u2ɓ'8n+)i0&g lJ(.RKh[yJZ˗k>-%aL:"lV\huwDsq57ghr+֗v W};l]RsX:7\WP_״r>_?hYrjԡI:Q6My!gI ,GU.#uBmu}n˅|2f|Rjc̘ؐ. TTNvҾsΡZ^'ʛ x ,?% Zfrh>TVgȞ&+əא>:oCkM `x;5O;AGm@uTt g6n|SKK_oM?=[Nx3ݵ5,T'dW={ˉz56u?j|8S8ISH:ħ ͩAY'OD:#+,$؂Aɓr$ n ItBQ3htI 9S I ԤZTU,BD׼i֧y0ӷnó|M]*>3}b}OzVfᣏ>J*Jg;?8I\w1[`qIq?~}J_ReSjR83KO$uѿoSñ ͇Hf-[XE;W2l<ۙbqZ{| t<"lkXc1XcQq_ODpLύD6y.l#*gW"30+3 k\TDR]pKu=|n:[g -0֠Jjc7XR _vi#Y뎼Wi=/|ݱd=4aSjp yÇo/ P nV Ƥ'^EsS*<ߞ),v9S,kSD/Ub- Z'ZC<=?{,_|3͗nUYD鉮8SH-7{fq29ΌO?4uK/dOQ96j_ pzUƃ)xk_}E^|~`+#`m? ;٢00kɰl|{&zg:& gQۡ\܄"6#aB1~Wy)Dv=m0z-H3 _)t( 7jZRcTQXnAT!9t< r*d괎3 Ɓ_ B_;|嬜5+!c*~r]x#n&: 8?Fb$ $1|y-d " r?؁ir@Dn榆(4H'LզNӪX5rRhxb> 8]-r< 뽧0NZv+>fEaI[*c<1wS; <:84j tӦ(?u"wͥu7]s9x`ցZ'bлQꋘ7,W#jp5%9G J[O&v]K II.kI`p7'J˅'OZ EZO3O=E2̅>ČPI S鞞(1dtsl݋Vp\=v!W_51JgG vc:@EuP9(9`k R%.9s(}kxDOOcQ2;FFD:3vJs%reTP|+*\b su s٪АrLbJ%'zes5VmnR3O)`` WX .2eTABO.a"…Y)DZ򆙢=8f6;lb*ͦصIx+mfD XDCE-<SYQngIR0gH{V}7n{`VRm(l(;[A!z3!=SQj{ڈP:AΛZV7B/18fD9Cvev²3מZO)=C3f,d+UG9vd~~IO?>2LetJj~LTR$;񂇹[`(ag璵Cgr v6=D9J SjY>؉W};w)|at&t=E} д 2w_0A$ n{..3|;o^s0~_a𼝵4 .7|v xh}%FgMdv0#q3.~:dDq5s_+c*0;dS1om8D+ y\\‘~7?CJ&@":o8 ;lyr0S,!sX;?Cl0D=m\gad:⪞nQr=fryz#])ҳ2պ-J3tfp Qx8pź-* Imx8?{C-&3SL~ :_6/={jcT()C{%^cx@}H%L^}u/(ME qŏZbDB-?`Q`FWVH@8{=lr)"S jZl671UWDd]f\8ٙbnӟl,t%hĘVc ,a#piDZ3~MxĠ  EOb'$S8EANF'͗+k21^.:Rl贈d#XRPג%#p52K @{"-Qx!4 fg,1.م_'*ch;t28zE/W XW1$;B >X'9qlky3NbW Nt3dOEF;8 ӹ_gqZPpb~en;m.K,'X$.[bdž\U֭y3INtӫ͑<^k+&*=xI%h)tjIOߍȒf0U9{J# oXb԰u3$ ?uM];[ O "|Z)I^S]mݮ'/.<%DajA}Wq?ns$[o}GX1pᱎ}Q)%4"i-#,PFc-6:Y ˡ3ašz1Ў Sʷ#v??墎nwe51kO 1Q{HiM뛱_M^mXDnS|RN1-.JS 1]!0kM=QysKwo: 0wL|&:kgI#'~&~F(J n-Eea}lwvUT#)&GL %X*-*.xKz"Ϙ@|^=z$$lnu<+~B ٽ+bR/߽vrVhTb^K-#_j,2D/`i;=>q-q989,L#jJDyYY-rN `s Y 58T+S-eֳ+,ѹH{ʐzxxu*GۋLmc/!Pr7f[>h uKwpT*xx4A^ o&O‘eiɡt~ dC_7_e1/h0~9`@cj1VqX9eb>uS@,9>O-;|M Qr5*Ff3$DbDY_-=+~t^PjLdJXTMN^1YqIX}qrw3n^b96EWedS=!ʩJ R%U>B;%k25[3v,Nⷥ,;_FSZhu(N"Mo7$}ozz[_/BQ_$@mw^qvT,"K* 7 /[LH:7OyO4>UJh3w&߹-KJRggd>`di ;3qcdg0Є#!iշ-t{V F4\vEV87m<0[P}Օzd#!K{^PLsG~]|nϨE\hKC1QgoAfKjc>vC[Oɔ3#?1ka1flY/%e$' W}`' uёD ^.0LSL!P9rQWǰSKo`߸ C5Z^{$U6st³yIo!@PUrJBӇ Kybpg]Q!Ozoj\B5KRsX)yWJL Na)jsY8؄y-(G&C5ثÌ T/k!\tں%YW~"/Z%>[$X7ح&KQiP}\8qvYh (-w):yJDb9>.s'Ju?n7+η% 0W;;"YhI4 })E0qsg8Q ~ujaHIRE61)!)vܟT᠎l]PD67\,w(ʤCqEh'Ug"&3=S.z\!l色_/.HY}cAA7v..fЈFh3Y [Pu6WXG*y牪oNpA.h7K h` <0$꩙xw%y{^T̞N)4(oEBD B'? A7WEhDaf8ӈdT<^*x0Jgo ᗺi6W\tZ2.v,hD~~+b`بAFm[9/W+|0_=>@„Y9X.أ 2{D#U iofc% j _IC$UC.̶ IT5Yx$Pi{L/ڲthBU5{TYqI9JYV7-SH3'j+By9O0r{{~jv4B*C5KEf(ke+V10'"dNf(hM*;` xJ/-Cchb$뷙WKK }U?}'@іHDeT$h_\v6,צQvpee',Bze߇܎Zkwp{g4/ 12r.5KgsdO-ldO'Y4~_׳lxIM:CȌZ҇SJi睟Ž_f:Pi+)NvAc20QŞFi׺}8'pUQSiHj댣p`gHaqQĮ]2:ӼA'*L6=vD2OP,p5۞(̵F}]ɓh#)" R4}ߦ@~\s<\b q܍?ns̪̦ a [ 3d>xƧyapifsx3؅ֺ-m-*rXH LoU6kmR@@tzO IаDC fSH=&P":xQMâj1!RKųvݺ{huӷ ͭU%Ԝ y B,7,NHF.DnNlBiΩf 2j!/KyT\K7Mӷ1suFk3zO]yrh-\j/FЧcd TC!ڛ 90[mc;z;j8}(aCr y'%Xْ{Ky\DR93*y<*80Gx`.u믿";q&w?M%iLܡ:"PMi^mJozaS}8g;Z]BNp=MQjB*_N){gC(tg== FB}fk06:Q0g5TM]I@(Q<20a`D6}NC9rSD9}#BpoFGYH+4H{./ͦȳB8=Zܱ=׮$S})`S?KǍJuհh) <{.``i'v56Rm Ct֭Ro3EH!سV^x!;' }o6_|\Q@G?7߄ѩxQι0,2Ȇ#K|¯pOL)3 @WiX03z-_EC}q'Q)R-k--e;5LCSnljWW_sD-~'A%S,!(Y:܊_7u]^aj%x$A|8,)|w`l}G^ʙ>:/*Ew-DYEy,>-`%賩cRB~P1%ؖԅ#RֲHdJumbLN%J,VWѤUaqVhI,;R̶]!3&180u{'#>[sFLR D'[kpjJ`{tX<|>t&>UvCJ F4 r\g k1 ^4@&^r3i(Ejdէ@F{Ω4YQcǜPD;S^YOԪqfZu `ckDGJfS7 GڰkSF3{qy*-Dkx!=k*`SdUlXOTl3.5 MNۖtLȫ~l'OI>F9=Bw*MZ 4KC-Zh'140Oa'hy;ʵ,ĥA ,zC:\Ebf=Z`*>J,0įa̪i-.l#yἜSkrCEH(ti)K4dtBDN/=a 2 k+SgWP]!n܉YCmhiSGEjl?ʗ),^'coToVf;̑ĤD. N9 I-7,8ޤEb?9'x{(Pф%-<퉪#.ch*!㫧V8a+A)!WӉdG 6g`VJ(oFпhn_0tN4qrO!M`6ib?muʁIOS(>[NR=EW;˖vHn #{]RMpCyBj+g-_%2nJ4?*u; <߼\gͣQ;rSƝy  FںW*15VVԌNq+&*am{gPS۱FFqEl3p )#< `W!JA ?w=84Q֌@U:L\a cHS+FB , !8B&0[|<j&_=_X;r>j0 ϰb!^A\vuUraE2ڡf۱Vѣ=~]7Ll"l+ 3@ŅxNj&?;HL,jls>OlyksWh:#+ C2r8t^ߦػ"+"v`"lT݌vjID7h&! ;0$/Ctğ`J*xb5-KR^nw;̷dpAiϲh & t<^۳ܹsb*ŵ-%[g}1E6p!O͉W~AK0au mѶsqngU_ tɞxīb< q\z`'%-V}L଄da+ շEo5oW;O2D{=n牞+gP%MuN⒒MvjBNg  [/T edVhzm5&2l-:lD ө]|Alˌ71M߳acgV}}vC[ǘ71 $m Fi=vx7iXog˒He(&J˅_$ksQ ϳB?[̋e3~h=:tW)B7hs/uVZ슉RdsE NRz 'ZaNt)Hm%0́М[@mC2S*RJGX'v-:#)t \!O&w-pwLv1l}b@c#m{"Ч6VG' (% IM(kXwb<<)v9:,(|ý\g[6%h-&"e'&y5KV;hڻi]k5h<gMl*09quaq#T7..[[k慤G*=O8U_]Q8/K=^6'w&_'n8^rҝ3҃B{زO8>&'۱rfpnp-yl牲Qb//4: lLMme>ũŅIiaWŎW7.׎$qkX-E^㗠Ad_D+V&vCS-9i:}~0׍8D4jfXX3FA?* 4:n D0Cbfv 0> ļ}318yɎkX&b`L;dەd+&ZB9^%FoM%̣lo~v[E1*Bxik=} b\Y/U;YReMozk:J(mXCMOW# ш& EQu!pT $x=AXC֖ґC (~X$g=MC5nure-'\")ǟgK  8FpGy%Iܦx>#ֿD9f(enc3m!sK3!r%lH^r$ގmajXv0wgI7"WrOVTH WcZ`Kڊ;lNѪ"%˶w'Eh8c#er 84[|WvhLIjFqf}tu(mլOfv*iZ.0'IY\,v∘moVMHl3팞"4;/Va1dsMg^FiF^\~wUiq ~7.U[Q};9ͧ~; !~@c6S]pNS<Ǐy^ئ/T~|^:O>rhZʧ~yuCg%N .O{^siyC('OJnjU3Ό@w5f8PI3<,g"~FCZG#ZTG/bҹZzJ [,cZKԐ$pZ+\KOrAn!qp_Ȗ%lYff yvI'WZ]$^*^XQJhGVs-a#xyyn`:G) ~6mZ y>2C[5f(.\A5ΎO(>w^4dvQCI"';hê$a޽;cʼU}ZxPAk!c9'8_E'"t (#oi`ُ~#W_m!Ap63fO1Uܧ؇Ky neW$3}{(g7&lixSM;OSH\JDVR P2e1HsSx?W[ja^xN<4ݘ(:Ë)NaUIX''d:\Ҹ=wgONK#ȋmo(XK`UJHm :匶>&pCY-qNK:>UW :)F{On']D u }믿gh@)b-3mCE 6&sT2ơ ڱT::k 2@ᰑ0{^ĞL» %37$:(pp H6&$KqA%ٛ"vhl+byœ8g~۝X)iq _ b| Lwt"J_9}YD.Q}Z;4\ f9AHdɦpzǒ>2\T@O݈FO0&P] l!l[=%`;ʀTA0(wzV5^{-m@&/ jR Г4!BPa$1\"KDwF](ҟ>B5.XӘ(AB}xln*g<{:у&7cgxF;`׀w<c"0#>"sby7?9c_'K޸D8=:y<2Wڔ*3#gj,ݚm垔tl)lHvƩCdZdU+@e뫆m^b"sD0WPAM8_SHŢe ZlzgvJE #ĆȶjR. $"r1uꂘ-'*!;eg0Lj!HiWf-dꘝP} L]Lm!L%> ?qc$㗈9; :lr]D1L ~_ 1X?hcz 䖚’3UC"_}~W8 wk.HD>`@OMAU,3A^ɐHJl!I_UH<~)1E !bd* D-I,0jǪ?'Ѿdxؾiev?5$`ۺH9$,j~'kA[ If`) s0S0 \<2-&r!̱&q33j䩳uro;r#F+4]hpfۑgRO_Dc^$d5P;\AiVg@MNѶ;CeNmH'rLl.;E;0<iO|t1; ,V&gSjֈXlFG3W>UvkUHr˦<,sY`|g=ZX l%"U)~;hw.'QS;˘ ۰Ph|bOlܞhTeR3/uX:[8=RT7-}JEOT᯹ta}3;E - R.2U [f)Qg/ƾ(8gtS|Ozx;nS7軭5-0-Rav4"7T/n{r[@I%ʑ:Dg4bFDP՟qM+OgD`B% )6YrbOa:VW/3lv,Yߏ { {һ/d.;do7SPN^7<哤Fw*XZK/9ǫ:W "lb㘟L~%!-)7*u*"^h8~J2I ]+Eč=ݧK5ׇQyq_.duH⮏UKT!A~)c &iB?œgƨhXãeSSۧr#*P^ә!~H\1x@rEDϊUE(w;ΐh2Ӕl)EBӇD }ޯ%9Ο?y/]ܰH.HtN= ~ż/~4ur97}@6ϕka?(8aohQYKC8D2n0G[:)NDKNG$-,C\1yC&^$ F2\Kxh=(̞-| DyaLMC7MbU]Hb$Pq& { 3XQC@E\ +ݹh# x\]+K8jE*DaB*4 Ѣ+늃ϊV V PJrQiC1`'~GRd?D+s4c8j'Q7=Ѵjn8Ѣ (1Q ;'nԥTR3mG%)\}WٻDF۷o_tR^gSN3۩??C~:fy: h7h huq*m9k#c8AtRk^ _=KhDwOJd4~gyf3"o5g!L7ea"Nnj(~, "^}r䘗T62C׃" v Pq<~2L,…1D+nkgkL[ך̑-no(׿<֚ <E_j"E'fԺl`Rw2 Mʘ-ݼrjxEhuWh̽p<< P*:to,A4sJ5;00 FJ`EJN|x9N*W/s]`z #װV?}yõxϚ.P`!VLOcw(Z{a$k`W.2_^[NZ1mjj(/Inf>o Cߓr!mcN# I.L*n֋jq2;jP`PkSpJ"3@0ksegeӘ+cA7ںNs߱ e39c GӀ`xէ>8CE& Ҩ DRr Rmf0釠Ps-`Ø(SWy!pUN23|PLCVs؜1p߹8&HO9p02q:%dDa~ ~z’z3wpoCm$VK =Qtc: Br?ܱk1<Y߽{rz(U8&o5v_b4ZL){UFwËaW?~bb\TyDgIR __4 f:E&f!NmRh0hJh_g6֭[I^ _}J~lGQl/jUh?#{0$Ja+1Np/+y%"|AP 3a0 Cq/9 ?An,V8]AgɯWX{;9`A(k~'.;K]8`HAs&ޙ.e4W d U)a>DPrȓ#Li[eP].z)˕jb-dKd!bKg)J'GYх HӌTx!֖l) ȕW:CPrn`n9C>faPQ3!..xev9d"z_OWP|-7C|P~:Hz-T5$zD FԾ H(C_;V)D &_bc 70E; XJ,?*H NqRKj4+ږ@[H~V;uZ-XaRzvbc2H!0n/G&Dգ'wt%|";{2'VM/EL_^酸DioÞ<#s9@:j@+a1X!PC%؇N,b)1 1x,_2h~m^l)d^YTb4;>DŲ!;^fZ *H[Vn=Ŭ 6|%S(S(;RT9{1ŏq՘X.l3RZR\g$3qD[gy6(^rB~qK<^{QbJŠbj X2mc9` "kA2x(;&:`MU$i(*xB4&s sދJlƥ죸VP"*;#Q:]8wVDVamy*Hfa.,,pw DƱ 54"8~3M/'u+.sBL`TxZ2 ʅzg,=jڄ/{_ 7wŶ/9"cA#j\ C@ջ=U95&Ah/ c^(gSP؇0IU=ezYdtDOqFL!U@qHj[#Ko FfqźC!n |peSjODOXz8;GLt@kSKY_pB7GBD.lƯASKY4,kxZOD[h?Vhhʎz ʷ~p (E'.%&8D=|t| /2nWW\T8\ ,O g Aµ8꡸6=PyfPK5o%c=*?޲F09uXJR1 VIr1lw0wkD+* ьw&48'W0 4Nȍ0߹s@FŢ.|02w}_=1'n@ӟ =zDFs52ܳ#Ua!phEC`t[oQ}Y s=ꫯf9~M :zM4Lj^tis4w(:"2ut.لf/| {뭷ܺuKHv[:QF,\a7QQPX&z9_JIckm7'Ic4_:rfZ<>2&lzp7qWgS͍QRȡm8;O7cf _T .'{ 6 @p\  x1#{RVUsi!ëh] P>sHChywȳ[AUD@Ą+]$D:~}x5ev"<X11^𐣎&׽s_m KOBNe$%: < #^xa֊$Ƭ]Q-kc&ڢ͊kZ! jTk0 O+}FgDKܰ4bߌRh 7Ϙ(\`,N+^0(/cq&^fQ+i]{2t1 JH%[Ѝ-)(f I &yJD?2ydPtջ$d96ť_S37d$ZL&-d"% f[5Qb['e2q0nX:}cSCCˇ@vP@ЩaD$/B9 .7D#BۢjVSӄbqޡAfd\w{ ]|#yk/pR?~daw ۗ I@Xj(R,Sv*|ͺ,S1Vy,DCp@i9ư9aF v4aM4%]S#}\qPVWK Bө\gU9G Mnxz88RHZ袧'*'̯ڵ"ܳt:DS/x 'GS)4_sXR4VSPƫ\gȉ=Qv7di@uZ뉸~쎷Mκ5~q!{3 i#G$'ExfwޅӦ(_9c@/FDݙDcz| N5, # |`Măȫ1</r5)Dg+922LƐJ${3xIƾ/9h,wg禞5=_cW$0§9!a(!Qc H!vȋ"4oFuD 5:f= VrF6rIv jD6D?O ͕?ᐴ6֎ t `"0 9_GQZWo^a;D,d""p-Az$-~sڰ:А#f{=Q(NvOCT]¶$$$p³1Qah%r_~}g:f.^u8.& +8\a$R~J%`_~9w%[\ !7gHN^# aE .Vjf_X{W}G1͆1Q_yݢd~ceunZXMTzQ_׺D_nSJ3<,P`^믿X]Jno4_qqdO?-*<1`zp,lokB|I"u˸z3u9NA0l* qn&N [DekS(YOt+UVgw1emq/tunE⺜c>vMgUnxز,Q*K~Kto2%7"x`Gk>ؚՄt&XM_L! RćfO)'T[["F̄Z *¿KBdgy prG7AN+#՝H_b]M8 ăezGh>4p̵(2׊8yM\(zPs O'_ 8&S.$BB`ӡÇ~"!/,uEiB Vz^{\x09&DAbp;^ܩ+.eU:v5ʯ k kfc@-n&ַ&8Bm^wl ]2x3 F״&zcQ rU_r.ys\dlő) D1-[SB,ECL'7xïZ(p`,H9C2Hx$̨Z&J5GU\ۋ;O!ո8ʏh*jt:aN7%ew }yB]#o5<.;=:5E s ;cT !3HU=7 IM9ϖ)tvD`aedXMe+sI-+ZFF 7' QUw3޿l*UMuk!/ &E 8>/GxQW\_"<#%YF2BuX0f\Amð|;QZ/[e}^¡v6տj| ʥt }Գ> {/݃NҼצƟo)-~ZF@ܤv z^oK@(}`s<Là"!hKر*#2h~t?h~㫨3+ͱ, F+w^0>/?pq MXO Zct0?<5~`*0Z1%L2!!/zX;1+'Orܱ_;]4I yTZ j <q);Yfm*hI`sU%ؖZn6Kam7#q*Ѷ#"#'|8lZV 7%i sZJ[fmljqA$5bRC:߭i"S~ Š5iUGBŻcq>T5,b( a;\q`.)ng2OY]6Iu_2(BGo)ЛGN/uUAvS-SA;Z=Ӧˆ)˲ɷB< Eƒ@%xDD=ҳΐէ?Aԏ&b4fG;f͹5SG˒@ 8)4,,;``XZy$Dkde\XXXXXXX(X{XY.%^KKKKKKKI`yUbeI`I`I`I`I`I`IRX襪k$$$$$$$0':Qe^_짛"sI`I`I`I`I` 'd\ooHMwy*d/$KKKKK7S+&z3d)PptحyZXXXXX荭sw-8 穧B:O HK}&jģh7H䱽k!9JJ]X$Smo]եcU$WjqC$wy?[zk5wr:w-åDKx]n&H$R_%%%@C 'OE:"B{i䥯*m!-. I`3&J' E#K$xջ\Uҡ(K*l-\X/_'NwI`I`ID zW2H餟}k*QN:'ͰE/Otت͡G(?IZOk2iV8>k*DTz[I|ǩOեѳ[;y}iW@ ":QC{+ܹow=z~?MZJ/ Mk}꥗^" nj&={E*cI`I`IHF80V_~fh%LL1=֧G^:|M$bq?BkR= ,Otp|MK/,$\LoCaac}xe ~i+ᾥ!dXXXv#g+R<rLɝ̨hey+,/W}'QUKD2 ?=|E{:d߿WWL>xxD??f|:+ 4ݻ>,ӟR۩D\XX}iģ|76)lz(~-)? \4niXJK$N_q pLh01X~209fאעrI`I`^ 6yT>pPL xvG!HDH+ )"~y3V P%3$FK#UpI`I`IP2$:YrbWb8FOTΎ%U}Dl3%ci=ԇhr-',ZX 豓0"[dI`I`IPu)p#"⑸ɓ'f͆BUy>~F$rYAIDATx^[EfP yfR") EHRTt K;'Т#/ /1fнAls#o84H ˀ, v&bR[dl kڒCu.s2\!350 g6FQ_*<,fbv\ nsK[bU#sS (>:ᛤ0-xA6T7_tk B~ vuLk_7`0PU1iOYÓ/| z/9!/*Vj,BxXTَ2ـ,| f4IdWn(n2? jCd5s}G1:mWs5Vmku(\'׃g_ WEQC`)2\oV#T5ȬX.&3ȸƄ.&Cy^='o5ǶgF ̅w V-6 fO,í(dر2ԊJ3 bPq9C("f䤁o5JPU f6@wZkUE[`5t5Ziy½weKТj7 9<3 q,xbǻـW/Y)R+Cyb7nSO=ً.W<C>h^D&IXt p]x;MMC) uAڥ9^zsR9 F pdie@PΫkahd׾<DQ]C]QNy$dTBy+I@!?K_4'(kWT1D*3M! 2~jCPoy 4dqL5P]kTNZO} ~C;9+FgkW}x tZ~ z#qF@btFhc4@mhi 8 q@ʵI"40A`5* %%5U@&"1޶ e۩9j9QsmJ> W̮ZBr/W҇eK#ZpJ#gO~ EKf5DT^+9*굊 h_'=o5(VaPNxv؂E+5l[B2v32ZмQzw;HڭFN5`>'z*.0?j#h}lf]%2ַ[(Jn -m@=A5 kQvV[ 8Pոx^9~M͆[ڀzL.g^p N{1!_%U[bm+`hDxīưE,6˖@`Hh$8]_㗿5kYMXE۵0NY,~udTBlElg"q91ho8H}|v$g.tέ1D)[ KǸQj"Fʡ/T`Fsӭ;7 6)^#߄(AX!O^^p]ҝ*^rJ kB0 Uqo5Prs=ʩ4!t^8X^>'cؔјkε6?OW\1IxKkQ}Anl}i.yU3鳖PnF9QoCٴ(/v8Pk@޸:3 EGo0cbAP520&AG4Q_/z#}5Nk9Wf^5FC+XYg)9*aB)y\jl׈ VIo_s q_y%d}ޥyǚrjm=2J&@fUYy\EgiЄ(Mjk;,"͛9bZ D? &,=hLJ`;]DNjP6MT0msJV-c%Lya`¡{o'E|1N_*o'GO &\u`rz9]pۙ4dv۹I/!dP#9%u}X+!ڃRCs DC&=?1YHKP M׉xt<4Z>Эnb%'+DD7QnزCMX F6^m Y xP `DÚ/"'rB˅ |zef@gkIN ڼ3ZT1A'䵿zjhL^#d&lkouCvc TWTg~;o2O48K 꺹TQET֦T!n{AE[ 5mrrsp E3KN$Ŝh;Dܫ/a,36(K<\+^ T\aǃ8h 䆣JC)+$V@rMI<9`ypAhF9IB(`NTt枧S8ܺW@~"34.ru0 +X έM)Â%'a8\FsC}),;-DSL,?sHJġ C Od0pai|tk>Q]\ E%<O򞊔)=tN_~c$bs(}#Y/5EKL' Af1PkJEC'k- l,ZBaEeKurvwo6z!._fx3mb"ƨQD7Fi{ۯ8&\I/'Zb:県}8{j9m%z.ذ+/DnU)HqfڴGLv:cOcbNaU"u@?lGsems}dz:XUZ}"+ATbem:{5yV\cVv*MLfVp>5|A=eNc<] $G72m0':ftP&.vٰ XLKkJ)/p LSR)Pxe7:kӖs E_#[Wi4piW4T'28M#9dLFu z)_2"[:(7Hܪ:1Ye@Pi#rW^FϔWcQ1K>ql7 ȥnftsW?)O_ޞ}ٗ]vY'EW]u Mam W7򗿜XI4dqQz SehQeKwy'ǩ%IW3 S0n >ǝ'@敀?~-D.'T4JOS7(;< |OO)ଓ5]9BkH.i*1b\\rϪ:qY4& D`H5cЁJv9Y"v*KgAF? 78) n| oQfXsП/}J\ ՗ AI;ܒ],}c!5dM }9 >8]=|V] 7I ˄?RdWp]:G;;{APu~V+AJb%txpl::ja_5TtѸ5\CNvLr|w:?|#)zֳٿ^~+#WˁZu2G򂧈 _ehhJ\9CȑH7n9Eil4TJ':82Ȩi8o8h/ lٝt2l5`SpQ&_a%"y\tF9-?oK~CZҖk@>4 İV U5S̴ꅝW] A] _Q3u~*\ X]A7q[+CxQY?Mt\']i$&c; B]v}_WbWh鴬(-6Ɇ2Vop4ԋq:([\`jЇR30rw씆?~xLgT BY6CE$ H9jZe*nfB6K;"TZv1Bvddg;Rm'VLM믲xiNz'h}kxfNFjV>q \qi1_#o)~N)iSN9e%$JBlWr@}?!| Ѕɮy@Qu([3P q~c1!G`E'su엮@[ıYCq~Z\Z˿f)\h(SVwMkQգhhFJa3cQ] wk0!:Cԋ`-;!EXh6ב5&$&$VIqvV?C== vsg>/~{&Cd^p߈D%u뭷W}/:>c?;n&zxK_}!KqM}>7<9\BR{ O'7N:$~yn/~2W?'>EO?]ou=O}S<"p' o W_}&% 2dH/7ō n<|3oFh. &C_Wω'(^ Z,os. ]B?\tE$738#[H@$!f2ձc$>!#1HLI'܀=}!ȑWdM#G^ A8tuٍ024 aCC_8R0_3 _چ ow}_o|??l֖jq[Zi+RW˷7,6: ;W$];,W;ds5!^ ׿[sR,6\}'@1/Wl?KV;3 tN,k]>9f!ph)=T}`H k4ԧrGQge-mkey-EPyQ5!OQ1DMSӅ8'*|? )[4~pcP(p,05Ap1VOtXTc3"018&\&o!̨blɉvJ>LC@ Kgw#y}|6i|;j5Tݝ]ϵ蒠^@>Pwp䑔fLc5‡:gMv"s}GkXp3-QѕW^YSY)YZwph-g y MئmsU1 d`IBɔ 2|P|(dyEV(GDD"z&-V -Ac3α*&aZ9 CL) 3ο ʨD:zby 1N;>V ;8]OD4>UY)ܹp!`:&uVZ8Iیs .qy-=B!9˙w;0 %Vy2˂)g,]ok;/TE`0k]8:3Sq tP)Pg\#n7AfŸqYq1V0[q^?*gp#p%z55C!_>E O|!9zÉBb%[s'ډ}5m66yI&Q_CYk8ۉ[ 4uuڲ)~̚M% v&UJhm [ V11ELR;"kI|K-ZD; [ *^91)QԚW$V%xӟQX`5_C%% hl-uV.'ǢG(ޚt[ K+1F̛_i*憎'?K=S&Z ":+0ܜT +JH\Q_k◫jߘ"+k`חTԫ4EKt\b12)Pz|GU Ρfp Nj>̃DJ#jdqA"q ~P?7tTdH!aI]%H '4D(s7e3 +&8P>Ά< uJ-6Dl Sz ;O{hP^N>4H`4J4C&usV&o>϶T%Z/`G[_gEIJъWq1L\JFSX" )Z [ xp.QNt\clBc!cKyPeW1X21JBd'huoؠ\M= 6xP֧B䋌pj^јkɫOpśgvnxM;@&OC c3+_Cs\G9 G[1QrI=Yէ2[9BΓR a. mi0u=SL!4I:\8_b,G%4]G~wJ±~0͋n1bİQm+"\D1д͡{4o®hD@>1OXEoL< rզgXTuʧ0aQ} =5XWf:Q`}&菞Mk%3aYLiwMvթb랦:Ҩ/#F gսVU8ZI< b ~ap;-'BrhxuUF7rBy@v[rFa5 pF NP`C EFa+ UnHi,r%?suAPݰLYւ xiC?!ނOۦ$.uo>&nDЮ0$k%q KPC:ҁ^ɈXumnV##Qg HvܘV(FR]-R~3 ֨ =aԬ ?C ӈ6M+}»cǎ!I78]F,,B+8dȉcPl@)anȖmPDQ@3NkqV l& %'EGpks&;^|u`5a{:+cֿZFZFLəfYӨ$z3h$ox#>2ѢX{JCu{e'(0S>kyn)\XhSqH[H7ø_V04i0qK1Ǐ.|RFGhyY-8/.nT￟UdV#uZ,TSN)9lƚP}|&B')'NYPj}RM[Kbx.aLHR]PZ+򷖢LSfC9g6QjiJdD_+U:FLXqj3ڽaKkc=]Z+c*L︑J]m퉾2NRx8UNok"! $̈́PTny:H<)&| ' S%2zƖ}-="ѷ,y9[>.w@|= & 0Nװ۬:aH E8BɰohAlO mW)mAymR+/~Ԙ>5S Q2n&s==5T%Z ˖8vE],._Dd'BF,,{E6CP7fZ-=CKH-U$:Ak hlGպ[9P2O:Rث#^{->~&裏>O%BNyVRu;F-a'ZEDt2

L/V*җ>CO?n_g=%/y T'A9#SvCg?9C$ ;E2UK]<]wݥW 7hfC<#8'[oldht# ').牊[n%dqʨ vC(s&\o ۡESJ_鴘*yIәFTZH"sCAhsCmkLMtW[-ZV\C%YƙBkHs#i5Ly(mD(6{8l^Ʉ4*7>LASb3SO(W&rrxlV#uRwX1z;ߤVC=9;Ch!.Q;aŤH:y Q 3P̛$;C(_,\P nL E ^r Է)coViJT.FyUY)y^fM(zK4PH2~ [27֮jy%Q0YKIk$\·t|" h 4t^Eȹ[ j_bYg'<XEqN.oO$@VO}+"Y]oҫ\@L(`~|PA.l4JTLQ|pڕ P7(=Gı z˫;#*E3ӸDa1sV_b" --0h 1H|6˄V#E;1=j,G`g-p%ּ&iT?J&._УΣmyUWSU6H6gyWdK#V#ZhGTL8 dJ!GWˢ!䭘LM>K^djA )Dl+I4qRZ^4LTtZdZ#b"4~V<9UhtiTU<o5Ҋܗ)msfՈ=y#:tmhgUb:- )R44yԷ[˾5Fvnf2ʫK()ፘ&FtK.+߱Tac:F l(FiĔ׷5N9Ow]|.J<;Ζ9-PxU<[~\C÷-k<,8[o5 w -,&HKƏDk-+EB!$ 4a5r3ڌI_[Ci>H,Dv 1"_lFq5f}lh'p%-OgW(A|NEXN Q^w3 jfAfա3 9 Y` a[Z}l| {rxb97Ys X!8zBLcUhmWy®՘d y&#Hv8y9(0o+Ccoamݟa ܅< ~; m-REC*dUb]ڷL}LoǘIc#< @De%,sA 'CgP+ErQCS$yeP Ai"v6Xk%6O49|Ǐ'Ɔ}) O<})H0a` GqZ v W| w\*>-{SE t=ZwʈG5)45zӟ.mŌuAԝtVg(͊iӦJ*7 $XblC՝y.>}(h!x ȹnŭ1:h9htgpOCL˽Q怲=oϷY>#_| Vm%N΁#ȁnXja-Bz0PvO/Ȕk DC\\jK98ϼ6N΁K9[WBafұSS~|Iߌ5Hfݸ5} PtZ E֮Q -jQX/^YdB!$4RD ɦ%EVkFy)¼Zf 3| B$V\ߔטM1 ]vvk+b:zW3|QI$Wnu.w0oSr:J$U\Vda ![jBSd˒Ķٹk EBN7djhe82G5 ۳F-_`{iA Ihom쭭ҝwsD kwmq1N4qÐ";r{!*UO 5DE1:^hxJO}BFPn_NF$` 5~+3Xཹ;9P3^}΁*حF8`V々s vQ{;8`jTa΁>zC|9]l*裏ƥQ?uKE-v-y5cO]㶁{9YƶZ[_[ٲ{p 2wJ;aqaURf~m5Wo.~zpxmQcVêY+Z7_,i?;>أ[sΪv;H]Z=-㔵2BeaQbl f>L]=10C_,w>Cv_}%p56w?voRPjf#:VCn-.-;"Y.Ive nlOh /Pcz_:|m*Y.A&-`iVtk!]#b믿~OXKP뵳@["_#" Ct7*iw_cb݉9PQ;jIENDB`n4RIgkcHrPNG  IHDR}sRGB pHYsod3IDATx^h^y_ :"a/ty ,JUd`!2CZ!X!]Wݺ!E 2X$ĆذT6QXM [k-6hWG?Ͻ{9{ ʫ=~9?nr @~'Y7 @Hr'@1  J- NR;b6@$@Z ȝ6wlH($@$;Jm Pj9HH w r @(#f$@$@  (چ+w E@;% Pj fHL eC Z*,G P)hO*8# Q$ّ &ζH F%ݼH "@?CCCsssYFM%(@|TAGGGzR{lHt zD>a``?={:C M$ڥAA$@H&{E IH@+RFOi! K-Vzuwwie7! į@;ag)Ah* J >͵yVN$@U Xj\> @viѭ2WX eGOwHH  V} Pj &HNR[@m"uAX#4==mSvB ܸqѣGa8D ,lؿD8gOo5JJ@bЛN:v9BX 8`ZOT[3^@BF$M|`ؼy{D͛7cdY믿uxUMA{y]DI'>$@jE4wƶ6?22vknixA/ZU$Y hG`ǎ]]]fOE[~aCoo/iXAd,e6Nc $+(ʰKm lii q~v ] X26#@NE'Nq9G&zp"b=p}7ݧ"8n8Š:okH ?|pN<8s rM,k&vwwSGss*^r zqZ2U/k!b`mgg'jYxp!oݼx"N<6Hh `W'؀\۷oώ_"j^58"vRm0HF@,RH"E&ҥKM1%b}*Sh /r\5~4[gQvWo׮]z ^xqQGb#lCX dMϟW,]@U_אF5QD%#<-َ4=\L%ORԖ;xzqccc=~)9c[sm7Q$NJ-z@l69rozZ}zm9+ R}Et @Rxd&裏pRXu nŧC&)IH)u:W)X&:xo߾;ٽy&_s&͐ϜlڵjXf ](7Pappp||;a-_޳M)ϔ6GKU *V"oaЃwbiי3gxʕ+XTŶb0^n]x-NE qNB2 T7n e72'dQmD޽8ŋH?@Ldxp;k~3_yD汰Z-p+Vamlٲejj ]zթoMX7]' ZiP~a<_0渊_e SjN.8KV mӎږ j,֡C.]$doK8jWUueɪV9 ASC?Rj%2_"c 0 "SN1M(V#/+3,u0|2k֭(Dmh>40*@',VdQ0/yT wZU;À9"ײO0>fgHN6κ57ZgsL vPjc@AK((I6GFX I1ut6Α?g.$;\DX%2j, = 'p߫/{+eFVJvp <=A1#Y7JJ'Ӫw``V}r֜lX71%$` '$ "9n费6_,xd:ڭM2\le56- VYH vF-h𰙂 (?`j-a\QdjHe89 ePE{m!i}E0: Y9 M pc\/c&d( T@`|l9ψaT[ݯPRj ZB`$3hpL6ZXH!cB"DwT V{+0L(!X9;0f "(`V@VH[ҧ @vRk]ҡ14Rl%}Qjq]$`<=`ľ4G)5JKBprLɴזs_ɿ_KΌwL@Hm ѧzm¹gzwމ O/uUńyWCg%ܗ"L (5zNJSSxqy$E;55!Ӽ ֹ~C)HEp3ٳ%kw >m΃^|ƍx#S6UD yT6 6s\eΨ`l|YbҌ֯}9\n)̉ψ)Z;-3.EbUtgejSLH}&$A l fm2F`FXY[Z>o1Ha !0ˋSj-DUZj7 lN ) kBRIGЌB x+O(D?WQ uA2M}=Tqqv0UVJAZ>Ij%AE| SX~{EJzjӳdcӬ\K`^Gg1ZD`kcbuV^ ؜LfZӕAVq%V4Q7ŝ5K&Ǥ羘%4\xsJm!~M|{8/$HRˁO08&fe{aW+ŴI͖) d@BԪomʤ-Rg%,7Wf"} @\-I@Z56j,'ZE%`T["|M+J5,9 Pjud@rYJ. lNei 0`dŁ gq/NVJ`TkHG7HLɚG@(#O`ں! ]y~i\Nx `Aߑ.g\뱂ϵU-j5ʢ#YW0Hqfg@(#iR-]zv@ x \ %p<[`܌ u6qM'Ն=d!a7h]J9rEJ$hQ0#DU-ٳgC'cÄs_эg<4FfPmmm8`%Zv 8z~U|$cKXg%Y[?~{/iy \`uZͧ;-v_H ~: ~뭷|Mv@pF諿)a^i^c ؤ ƪH RLѣGئMYfj׵,0XfFCH@Rhp2kŰDzWlMڢYwJ]P)(gKҹ65]N(ZPsmeوd<2]7hJRQ޹- FƞruW=,"IjGGGbllP z(_d`) +c^❞?i].*cuVG'`ʤj;sۮmÂ_M?[9[j?i L nui1µOMX?9WK / - fH$+tK-ݻ8sZu~pSمٙOg{nuA%e(R3'@D%d_- 2Y.r{AF[uofO;S'1B/-gjesK^C/Bƕa8-a0)W+ .}O~s_zgg<*qK;[lN:k$ (Yj/Ғї@=rP}H[V`E0@iR+H26ZL5}Ij0l]$`#ҤDbmK}M{{vd$賺&RxNVBv^9o0<&S5㟌vnOLaAl/V-[R׼*BWqf*Ш_],JM7{TTuVAHVZW;X폵X8HWvwP0ڍD>QQ}O;z(zߔq]d+INΧ4ZRZ6 3W)+@|=k??EQH"щ_/`i(b"[ⱼ\F+@04? &Eoiէ \q]L3ȣ e$@>@ؽ%[|Ȯ#8}eF\QI $Nf6MCg&*zc/)sLݽYƽԹ OmT#x gKڲӲr]Y\)jc͖l!@3cimH[vZ֖aF?H2IҺ# 6_s!πv((ɤv VloU(){Ynb!0@\mkfjIo @f|zd <[ 0]9P\A}qb)X'PVH}R0IgŒ$ TXjr2,9$@)T2Y@!Boo8Ee 4[O2Qf T /$ۥV/΀UEI!`jp76-Ư @"6J;t6ba A.UdfJna|@R@=$@"oA+98P MprK=O6{z0 33AI F}QgsL&`TTdggk}ajwHZDs_?_۳vpKfqZL90Aj#ΟKBTY9VyK; K痖j/׶n*5̚2i' H@ר3%DSuݿԴ ܁~:ٳ{6:uVEAOjӵkmo߮^`FFIwkՐU}ٱ6jbaͤ6zߗ?^Cl{֓ ]eKڳ*VPg!HA@\ZĄWsj33|'&-HT\a%;!#gN6 -fK y\i d,V@R[Ȋ}/ i/g!mZ~*M$M'c3c,iWlH4$';H ZGdw kom_utԶm/S8"Y) U['ޠPWS)>,0 ~ _{H% s`*"jZϺԌҥe36vGd4w bB(1R).E^rAlWHVRRva%Y"gu5  j.Ե*U[Jwyhf@@bΝG`E*r.*WJU3X\[m $^|67W?C9~{p yqPXZ{٬\f\m h${.#kq~fpݿo"G΀kL$gNNv?!ˀwʓCz]8A'BkSo@Cĉ{$@:H D 1,TpN Ѕ@bl&\SKSTbp U/<3fZ^[-F@U$1pZ3`r]R$@y \u,E$@$'`rm~ÝbeͶPjJH\j9fX$`1Z#Z|fiMG#c$ܐZ.%IK'- If!&PLB^[ #FTw JTsm &XٴLZCql j0iZ I$gZlNjY'=OW5 @̐Zgztv]ۆ5O`$@V0@j%Q_Lř~qysgcnį]P_oegrjUd=!`f EEZ!*].̎ÿ?|6Wg$R˓bu2 I=Hn~yKQouo_ϑA$@  v7uͿOo?=pnBvޖZغsWJr%cmHv2ɉ_9Hu̱r rk?~ ! FR[^[n!`HHjk'(TKn8gX3f Y[Sst%)œgC$@$P VHH@ ҤϵUTiRQ H-&ϱrg5 @ W]_Y=`ʣ pZ#M |4س۰)i婳XH&R۵k_Wmrd'\mvjBX= rr@ULmE,5N"b  Ȯ@@~;%X`lә^,ǎ0FJtiC HAL[SaAI3O9?q/)p\V-F$@ $ؘ+y`CC:zª #0 YC@6Wpָ֚AGHH/r٬ѶNi54L[Rgu @9U-'* dZ]iEn= PjCz@$=* w: $HI 1W8o# He8 .s CV dw]j=YN @\Fvζdd$ iQ!W Pe0( ͩ*)<+~FXN`rrQ-G #67E$@ PjbQ HGR[ᒕ6 mjjKKKbZl˖-A+D`aao;Lΰ5`Wwww__ہĶ1:Y=-N<9??u@ΰ5 B~mbG2Fs͸+1ق{R>βrgb)s%, +@i Dy1퇈1z;fGG,e,82w-X\4SY]Y_b}A v{1fL`6s,hAR~̩vf% &ZI)%kǤ1,C\h_S<[YZXk͵Q ;g:Д!v@A;lA>I.,A5MĘ{˓BR{|Wܞ!St%Tx G',VJ/1dEb 1׺]Ѝ1PiK5l m] @|5=, hh (tPD044:t"T:P+++j(x{{#DerrR^IKF57BL_e@3>==)h͈D ֩+ |aawIxtLIR///뫺QP`@;9%h=sV3;&]ZZRFggg__x0aHTT777Q&O[[[ >??GUONN/Ua#IIϩ\^^ @O1ilwwggg###ֱASI&{{{WWW~X=fffH`滻;jn3H}}}V 5iL=J%úTJM0 :c/ZJBF nll(5Z2H]+zNEZgu7;;:OT\.ŎӡP_p(&7-GnB##AGÅCpdAБ%zhGx]Y.}k lƤHcvU O:e>RJ BiXJL`Wq!Rjgan߾ @59`DpL% ef_ 4bĈ0Kg 5ɓ3y^~qƱ`kȑ^2<o&%(2^Ö-[n3~:v!M<|dLԱgÆ /__bWW-"ԅI]Ab⇦׭[7w܄v+C'N>غo>xѣGYl߾|)O^.pͬ kTd* q/uvvXfͬYD >+1Eء[Ȁ98 Fi7S- %RtC;&?2C{u)" {A"ZTC-l[[2I& a`fiN, 'i b\JxބJ̕iYq TNԒ9a&aUq¨X= M{CUGr1ժΩL6dUF$ulnARaN橃@&23_ l1EAo[썑V9 @D! |d֜,@*L H:p Ti_htXIBq[*Q_RVjB'Rgd謆Qxڴi7nػ+~VXѿfڵ8o޼Y[I&:.%lƇԎQ {=u?^jg~޾} *6;GȈ[$Fn혅Ne 8p  ϟq„ ={ o9B@h%wsD dcJڝVQ"l\P:hatIСCij."6LPLԯKҔ"%un6uԸ=1'?U0C6|E?~n ;A'~"CGrKUAAa#2fj۶mV/_ɪxR`t֭QbrӇ`-娒,Ԉ]P Q w4H R_nR+}q׉sY^2m#-\PL|s_ QPl1?l(E1L[YdVn%R͋%ㅐ:o7pZDPgM,u$ݻwĉrq(*VLA3p]x RY:/Eb⌙%G_dwy58cfRCT޳gOj%j`cշo_ dDKMCG!wׯ_'O>F* SWnm95$7 g3G{n_,c3DfOW~?J/s|4G^\`S迂5y{1 )LNJ^/VY [t 5]0>򓹾$y@@r!mTZ2E2d3cf^ coq62^_2wZ ę1<`y, P 5 ]FV/N۱cG͕_~ſOZ>v_Sz wrxʺ,5J $>#oV)RP %-Ʉ14XzgkpJgV F "m2l+Sb7q2 kA5ܬJɝ `{\=J8S&}>Ȕ&t+bk UI2תBYJZW R24WnٲF;{II˖.]Jo߾u;T&)3{C5lS-Y?&d*F:;;uގpx 7/Hh9 1 Ua&rAHtbG>bnrB*%Tֻp4a7jh,qȦpU+2Rms4„E@o~V+f.r&y3 n#Ur.?~h{Ȱ!M4\lː>}zɃ_Gm@ȴ7!tldE63ɛɒP!ſ:\ m-Eaė2 Ě26du:Ekp8A ͷ,ٻfm}A$8;w2,%.lNbyeTqRv,quСCSyKKfd%qS&dhwL\Pr'd 6\I2&ge8\a? tww%Og1eQsO8XT#=d 42g'k4PYBYI=ִj@ k: e{ <6@eyׄZPAhc2*J@A:wPӀdJRbPӟvЀAIJRL b VHHIENDB`n <zPNG  IHDRcxsRGB pHYs+eIDATx^MVmA(X.D2$SpcZMR"ZԪЅբjxA3UNis?;s{]<9sǝsΥ%f'ͮkY%pQja8O#q~a#LDsנz-p g?Tg}vUWr-tқo9O?tAO7lذhѢHōP/O?-~m_@~OΝ[zW_}%> mҳy<0}Ǫ;SO=3|5no{O/iu;?O_`t˖-֭ۥe˰«)%믿xbm}Y0QP'^0kxl9uq?kYiNw}g_3H׍O͞:+jm [c.'_3)vi IaDuD'bO6:u [oU@Y{_|[@?q~~}R/0^}UByN8_vK[ے%K a}͂h &R`W^y!>?~,cǎt>ڋk׮ F߈^+V08qu= ߫*h_ԣG * ïo>>,^ŽTԼ}vhfG}ɓϷ~j*>#n^{;Bd w.١C3g\";3ޙYpa5"d{aNxф{r*|iݴiSN=1z_~'}7G2_XG9D AW6pG {a!2a&BQ"rdG&:T&b|C1w^Io? q1D xr#mz n$?k@+Cɝ{_Ό}5֦MKLj6&=aG\61r!ՁYLe-8 w%q$`ʎ̋C5uZ_;ȑ#|~8b3U?dK bvܙ)'j*9"3_S/pȁ\t-Ri92DM0Kq9M֤̤SN9m I{y g:# gqIjraLM0MN] V0&FKhU cjhjt V0y)ΉPlgܔD494)& o {nuF>¤i+ja͛7K:B8HN IL= Ҕ#LSRԫp뮻V iK)̲2CHn=|f_!պ,fՔDE0^P %N 䝰PkB<_ * }OGn%K$/Gi>TI[)m2~ ,jQ #&@AWek/vme`2ޤ@\p+Iæqc@SM3˪'b5~|pSZ&vV ߰#$k֬Aj5e2M_=WUeب K$7 yrJ؎Prبʗv{ZU-X$FF-vv1,qhDlo=T[gq.1T\ U-Y!NH7*QֲyFF:C~MdoH&=oid<.oȰ uyBO>|4zrq(N@)G01J$0/3$PR?,1s"94a@W#%j+Wv eɑD͸FӶ$&@iQN}O{ P@*;|hl%&BX4-j٪n, E&BʄdCoaEM0Pe DFZ Aj![rWyy5mFNHCHn҉8 FJ={V0K`j)ayL&uw}w`:hѢ .j%_MHڻ q=qڟt -7 RM0O8a"& MB|t-X)lGX矙#١ #ڈma ()P0!ERD Fz@MEByPqH/H\')P$zuHF; _+8zd!~zdɒC^T"ChNvCnB҄/dR/(.: 3io%& i= csvI OB/&ORyʵWŎ3rCGRq6vEbY{-&f󸁕nFIhZXҚ|_AL$CL,)aWgQˆu-˗s"b c+yժUUcg֒YM wt7gΜҜ"dw0Md_43$`BٲG|D05ގLNϬ"֝e[5*D\prLؽ,k} ,D,9GeZKְk($LgvcSeV{e~%&5WyJVlˣNHRl!'ye˖M6QP_CRK!^U/FX~rU7 ^>UM/^҉x,gQ#iYw0A6&DL'3tQ @w!z7Th-UTK}ɩq-buD1LCQ&bXRbT*K &xgmٶm=|$1ĚI.v0 D1A)(@3¾o,~KK ƪvL,Ÿ '"]JS)RcsjC\h0;Ǒu]_BF^qCҊjE_$$6,\QL흥Ht"d4g}, sA(דɥVwj R̔eJΏ \h@Q_ +WZ,:pg  wA_މAr/r 6DLHW_-kKH3>ؽ<<pݿSa"D%$*ԄؖVl;/u 1&~޼yݵkȄ3cv{O bO&r>~Ik?~ҥYj9 YTknXH^%ZsbJM0'mV5Q5's(iUZsbJM0'mV=VrEa g@lYRBMc&R'1k7 ޺ %ySTS,iιBX&!YV6Z"5`O-9=Rq.T\YMB+JJW0 Ts}F"UfX^]Zh=K4DI ӝNi7[ƅC |.̿0MЊVE[a… oF+BݹGy/_~e͖N((c~a }i%wJLd4b5A RG8tBP;QkO!X{|6*-v%biGX(wXp c', r{w/Cő܂H5d5ꀶv$\Зס {{K ׬YV9!ҝ9sމm .JwiFD Z2ʿAIdXU>Z>+0PN-yɱ-$?--;m$b\ׯDR)LMI,vc߽{,8E>&JS.*pϞ=_|kBC-f{IP۷K3'R8ŋᧃෳ߶qFBg ^ahn䪎#<-|Y'i;F <* Κӑ?L7-Њ c#TRP"Z:Qn[H[ejΩٙ)Ň@]0>sss.\@$ٞSKwIێvclGj4婅ETOp7oG T%D+-N]@iq-WZ:yZ\cپ(-vz}Oiˤև[šk̴ 7v}9Y㋵y[xXNbe#P\vyDюGLY,9o?3y;_.%M焰eͷSh;Ӷ>RAB;Ծǽ9!z](_^J;N[cm1Gsmae_iLMj_lph94SP;4Q_e8CUoYۙ*tZW-ڏaYL#j˲!g@J{5k\mim0M ]ъ@}кV#y9m|u]X)kd~pRs)-"Fij'Ũ<*j)-vn/JKa%PZRZUZ-UZOIENDB`neVLKu8, PNG  IHDR(z5sRGB pHYs0?Z0PLTE999SSSzzzhhh`^9IDATXVAHQ\6]M"Єd̹!F^"Vɠ^`C fv"b+bE"4F~4E Y{huCTd(ᲫCS7 ]QS\ 9H^")'LFetd) PH(V: z(5W\6{6@1F[=r7Fo<+7Ǯе@Xi'A E`;s)% Lއf @wWPh6z ; 'e VXV9(#+*0b1([7aw 6}6 r;%9b.ͼZ+M0#ݧZh?A3"H1EbZG̯-U,q7TКh^$6J ԉ*4 9e}“!+sLPؤ2 \: !ӎf : R1G@GWr!v.GcSR@c(Л!xgv GX8v9VeÈn]ҙfV+`j.v ߺ4^ ,RqQT _Km:b+]6-=ajm3?T+<]3iUY 7^"BuZ!Utv!=Yϊ|ʩlٽ"u >_t_k;{ek^+GoyIENDB`n A՞!>ؐePNG  IHDR<{sRGB pHYst%cIDATx^\1,6M~%PP׈FPh$"HT*Bh(H$$4 C$Zds9nonwo2W\57쳻3kgj___ur# Z@Xj" -P\^^➎Z[[[333 %ď9ܻ 77 ޛ"8^|_zT-[sҋ7ֹeᇞ٬g쬩.t{ppںkhk)uyyysss||qpRYvX_ّT}r xk P;PIP)'''Y/3T]%pXxc 8*ؠ< qw3O8|ؘ6Q|EPO-ǃF&S }2eTmll`^1cj ^hX ]Y!Sb}щ")jaFh'\Zonnp鹻VdJ?b4`2P_OOOK c^Y__2}ii VMWAVsɁPs B[rYb&c<x?bX8+ہL Gmh$ XrW4&y3hB;|븓8ޡ^1T4D4gluŖIӘjj5K)&7W%]̙X\s!G٩v lonn*W=(^ G,i-{-8|#H_7i B~J2t\,ɠ<`&:&%ZKW_4b\B 6Aǩy+Ҹ8H0%N[ƅ%H0%N[ƅ%H0%N[%.eGc KJJˊ|%8xwDGgG{ ,}<元8LsLybν* bdW_ N4y9S4o>Jr=`GŠ MeJ8qXǡf`de5)?|bF^SCCCYg|Vp,y*Sx;%? J2k,{*)aaE”|LJ44z~-G[H ?J4aaRiTNUeR]c1 FRڀv7,,rAimmmF {LA xbjl)bᬣP(SLO*VpZ0qb( G+jS& 6(~"U8vUXɭ(,F\iX_X,A.KTB1@,TF],?kR,qXrU Z ͟5) XU* Xb5)Y1N^Rz9V~J< P0Qe.y7:GVh *^\\liiqjbn~SuJWޟ677㱱m---;j _E){K{zzJ###xvLT3(jL!F|D_\!ǩᮮ."`[[`p]]_>gD&,J#>}uuuTR[{&30 ?[kM$iD``&`h~z9Snh^"~?Eث;;;`a>r^J=_( 1b 0?^N2CD΋Cave/Cloo_\\Afk$J7́DK{ ONNg"ָaQ:_pa/0Q8=.T!$>J*"0ښ} ޿5*g3P E''U\"*YLI'_1 MMMGI?d%ri1t*׋榡_~A.V t}}Q!xax}+ = 6ƒ LJ)&j. ldžv+VbYQVRYS 059b 3R1Z+WPW+sПsՒ+WVO׹jI+s\ʕNߒFGJb4PiD1>c^Ǯ ]/b b16}V+w6g t*ݚ ,Mc7bbN<U]tNd0#{p{|x'=lyKS$h'QaN{r!~~tq2"e* i'{頍@r8bFǼݬ S}8@2% (31/a\7#8r# W { 蜠 ///"Uewvv]$p`H3)bXC2///06Fz5\D/+@$&V r7z",rÚLGQ?ctp{:ܿI@"E4'3 )d,GHmM2# 85iE.'C,J8CPC#rPI4 $iᎺus'" oCr+ SiN$S^F;A%Q8T$,ۏÒ(LV$,A8EN[R0`-s?r)Qs+̭T#VBUyPWS9jK]a˧sԖ+G /ܡtIENDB`nt@2^6zwHiiPNG  IHDR;sRGB pHYs.>(IDATx^\=,-A$JJ (t4TB @RP($4 C$ɛlw{ٻsFXa_  pExpk)p-%rLUy+BQsU__011Q%\ᠮJ XXXqP)rŕŶ6[ZZjmmS@]˜}}}& 9' obҗK-ps-G |||p.񍅯XvԁsZSSSCCCõ# :644p$eakh:,ooo$텦[^K0,|֨cѢ")1_U>^n*P`,|cs̀Z 6 $K} O\X03Sե0 F@___ty t0Μxddi_WWWq'c .b;m3\u6B WVTXzМ Ixwa~E1~lEd">4)Cdl3<);Z>g~~\}]0ϝQ%)$utt`Џ<'''$3??|H tﯭONN?)$ ueHHXtS'}*B񬬑}t ݨDCIP4og` Tz9(=PrijjSCv}}w8?;;]ggg6v}$&uO'XzEmJiD2~ `'zeUX4pKjkJ^iĕ¹,7󶹩&•:•j•:•j•:2f9Us;Ŝ+(-9(\`D"ѲȂ6b8,7,_DR)y1ғ:0NʠJF${X$0 0QbߕAIzGbSԁp+=> +Pb0fFe>OOOooo}}}FIθc_@@2 @ARFi;0Q@+d=psa5& FPF:b5@\NvVZ ̲7%g "cm07)2x+nviii1N0EPȌFqR\@lb:  ə4íJ0=2QПd!SEwАOB` UUpJ*+C` {Ë52Dpb79 #0Q;'o (L#X, OcRvp 6ų%\!>%fvo b dladR8 Wҝcr qJ%u+S١u=~n^w ``a><Bm.ǒ+Fh-@;^•hby[Wr0n y, D7>-14IENDB`nWW^2&=PNG  IHDRv,sRGB pHYs+IDATx^KE !F!I(A$āręق%`$TD-BԀD3py/gV6Z]ޮZ]_~8#N^#8S#SLzՎ#>8-""^#8Ÿ8@8ŴW8N1#"N1-U;o?~O?kovZzm6z~;r䈠۴iӉ'lrUWLWpb^z|Mzw ʏ_mh믿u]ND=`rq@8?T?}hhs'/[Z!sx7WK58G bxҫ^k>u$lIk~W_l:PʠoO4' y|m{49 K<[|@@w}1KC!'"Z(w^zŋZh>sL@˻}ffQ'oZoܸ1k׮lȋ9#PA@t ŷDIw Ih|m۶5ݫ^(k.T[ni ݞxp=purcb{x͎TI-!rҲe˦᫱j;@) G`z^\sGQ"D [RY!ْ^Ұ:C'J3 a˥uS :B)fXri!30p\ZG``8 `.#0,be/N13 a˥uo7Js^w7JC ( t.#0JF1ǏgXt$^zXkCkeMĦMN8F:WqJlJN^0Տ2@6&W9mP*?q#Dy*HKiyںE9@J0PeZ, A܃0URqȦ {z,]X!kIk~t:ɏEWpɓ'6vXXXYR%E1"8?Je^n֭*N ֱڴ+k ֒ևbgds砪$m~8#F bȾΖܹs |Y9t0LɅyfy}3|0Z$W sÆ A 2ڗ/_zTuRȈ&805v콊jɃs(}E|m(4JbMTLsW ;Lր (Z[ P E-};SF0*sԩRbOt14t( GhMK]T'*a^(pZV3ۋ L!`EZvHU٥*2 plIu=LJ8@kD-q;? FNB;DŖ* {ݻw;vLPȀ 'DdFEVJݻ~ńDkϜ995n_ɛ7n ڵk#b@T .A|[@4|$&˗/߶m\ӽJvB5)uV֐/ Ӎv"BZܾ}{NnL_lԋ9 Pb:˛Ae˖MWc1hx~"OTHꮆ#SL{ #3wpicobb#>N1c-8SSUwG)}G`p|0L$sQD@[ᱥ۽uQ@_?]paϞ=A@{`S^xnxW >st}#<®#p l"Vb;'x"Oʒ!C`3"/mJ#}H?'nJl75>J lիk$6Qj(ȌէS<volg %;xVUy5X< 4aXͼBv%PVK<"Ot[]ۈ1n{$9Q3QNQb*Q/=B9c+# UN@~7[&vV'}c%]C&&Ĥx Q,xڙ VWlPoЬAj;2~xrf"n͚5|AϛVx Ț.*aM7Dzїouol+b~qG(!D x-!F#d"M=ܓ~ydqqa֭['xW\332 Y97y睑cqKb5́m#wqs='g˿6W`q鰏ֆu U:O'bI?MӜ =XA~6-p] &b_3(/E*7 O[̥H`'j].T6I1tpw1{*Ǡc{ȣRpbzfAoɌ» Ic&Z &JUbU[7l2U(NYZ`i3u2@fƳ(&Gzʙ+XX v!Iָ&H8T+J_& [ 5_ ,Ikl.[,-f:=9o<۲e˷mV q@{X:rڵkʗ~ T>vر>V ]~GД . n{[L[#6$˹֍خJx=^{]@౯*{eEui5DZK;d$J4YaΝwH["}u/ n1 (A^oolbp:lٻgϞ׳XVmPP}wo.]Xڝ̛k|m!?u/|<[|њUvGVBJ D6ձDIr{ l/+lY{~R{}c(AxL`vbik+'*$#+Z_xqΝ4D4>};^.d+%QbDLڒioM%!Ko[6LZ|-b(Fq"'[8̐[Iu0CZ2ҴV}֧XZQLr3YIlW+ PA$I@)YM:Ƨ_*lȞ@aT?W7‡V=(F:\ I$ۍ b:P0{LبmV=3߃ÁH& _bZRtB0(+[f .UJSUI6Tb0u@hо믿22'OyaaaWBͶוՍ.BQDIЙQo ( _FJQ1H=xfna+'M?V=w5Q\AYr`--:'t@$44_pmAZ^ɹ$,IW R* *!t*ؐ"^ 3W[`JO3L>+-T lS` scbfڣB(r񔤭iH)=*I&6w.Y2,9isyXM[\qcL㖬(#1~VFq=lAWy=u^ڥS@$k\:9(EjD,HDY4`vZkWS2J8o-hEDRfvb\ԗ#)J}OW[vI Ik44t)fRMRLA:H[G0P$ɣRc, US{6)تT$`+4BV4oKF1apm=mrDXr;@e l W2 jXS'Tg>V psj6V?6*X4~mHy|B=w=cW^y%'ow>3ui#_1x&KEOq٫`xw!ֱZd,0ǪUTa*"rˊ+\^+ioN=)4oc?@7J5+yѣeS EKmf- !rJוQKxP[*U*zy49°E믿'J=5/zO8{5޽"_,>ehC bmT: {~zN14K(ִ#b`-N15+>XepFShM9}@)Vp"3ZӺb@p\G`8Ōִ#b`-N15+>XepFShM9}@)Vp"@%< IENDB`n&ҽnf ZPNG  IHDR& GpsRGB pHYs.>%IDATx^];J.( ]X E*H$@ 0E0@Y@lK,+@b x 71;=[{ιgf޽X2@@J?s&d 3@< d $gRbv@r2@3@MN1; d Pj9 &2@(d PjS Z2@@r()fd J- d 92@s 2Jmr dR9@H69 2@ 2pҥ_~=E;|pׯ_?~]|9-Xm<:NZa (;w>}˗=~Gt-Ow޽pB!rjҥ7nT矇ޖRR:$3bŊ[q…>b'3ܯM+`[r%~<6<<2)&-CڈW^E ضmGE k֬*?Q8pI$K,Yzjyf , O>EÆx@mwڵw͛7b$r)0 yb˗1ʯyΝoNeCj:%AL4)Nt+m49֖G1gj'|n: Ci:%& pzѢEPOHسgOCSjCnWU֔_yU)* $_P!3+`}۳=\Qj=HnbSJ0cK|roœuF@ !>Q,FI!Q(ԙt0MN~/_2P6jSZyEW%dH(IEeznˏ=pMd(G3eVhz$0@4vm9|e20u(#6d ;Z7LiYLpEZ Pj)/3Locc2@0@uLcǏ''?ޱc߿#x5z~ƍ.]JWׯ_u~0zfwܹzUHF1<7YQ62C4m0W\IAWwk׮mذ ٳg8 w6F$ =@" ?jVmǦ$DR Uř FQےcĭѣG`P~3D x?|0Ϟ=G~wTWa Hp`HU!~=ұcǀ{]8IN:$ M)  p$/tQ@΋&XO{qpŋ{GBIAz$IN4? %Mrt!6b og8ſ(W%v%R x6bVkuF>[i+lقwOHKϟG^v}ȑ#8%K^Zy[.\ݻ O>žm,m׮]K/nBp'~ RZ=N ? CԑڵKl: Q <(tR|%rs! {i ˖-r~ͰѶhZ˧DN#2 Dj1mm2)DQU2>IT Fh4P~|#TgwUuUO`PmL'p$^y("G;IHcG6gV;|;FJTsbq d^7o˩#ear=]sSL3]S]g\<YPj=rHj;HVԾfavXif\B Пj(Sl)O'QjPW1(TъPLfD 0Bg>d-pbRA5iј A(Ah@dR$j>)T2*:dRM`LF Y-'p 9aRZO0^9LL~A)}u [P.7m10*feƧm'?4& 4U!3\ˆچO;z sc`RHМtR05F1b`R;4V:;ӍdO{cQ!``RN`Ӆ@M-=O@LnD&+C 20u6ufCŎ L\j[(٩Hܸz}ĥV>6B7u<,ʲan,& 3q(څ [0QFrX,'}Aq!Q`V˿b23 LMjH]acPdb LJj3ljURPm:˒j-Y6NcPlLf`RYmT.OB$,26X™{fe2C@\[jG؀z:hO@R810="~uz *>6`#l,.01rBXԎe21V=DdtZxA2^uђ2P%èeMf@MRKt廲ịFj |6/*3i_ӞcEGy:v R+ d$UT@gwDg\%Ije9Qd(Tj(֮SU;9` (OtCB 88%&@qY-fU,.6 %fN g**Hxc1P\V;f.Y)ʆ%0PֵK9clW{R˕y8{v*]>WǏ/aܻwׯ_Tׯ_''7n8*;'gN0z~c/so |D(jr FoN=z$0o;yվ}={KwQW N<}>!c :t2ZQJޝEQx Bk#0([+n… |ҥKaf%Rm۶o$iI'0rJ˼;DyP0EQ#yV ײ(,w{1իWAƁ 6 gb3?Zt'C{ݴit"0/%@8Pu8y\g H a28'h{EB:x\Z3>0m׮]v`~cM+~jLoE̛O:~±c,bDq59gd<$eؿ;z860,G#֭[8C{iv -[~Xs T?n~н᠁_q[ eF1j .~AJOO>@7G8VYN*KOrߋ5DIw){=HʿQlZlW!ܶaNeSaFbGUv7lؠ k7UfJ_Z:ٝ,"6腪"uB~,O2,NB$l8q‰4GoUV*-ZF!8\i̛ \:}uQ _C)ȌUPϒTʠR`10|$%m3SG+ic?6NJ, NŒyȇe`qśS=!Q鄫ppR<;Uo.zpV*%llf{U$CJh:tw(*R󢶝]K x&|3=!Cw >.າ~p}1$r$:ir+n$6/K=ģHaQ&l F~Yšbe;̱B`cqu-a͕`8a{Dh2yY#=T@BueapG_'+S4v~FEEzH"~7.=w*]sx6*@nKaEWeBBvƩ˰ m"]@|+l$>Z)|fDga44Rty]"II_, (>6SpAqL0SjCz}P").'œN p2@\&Qz6 x}%pX&œȭ4KM(I] D()m,-t] W~WDW{ST['hl` Ԧ^$~CX& ]FWw2V%X0qVF+ dXlÕGݼVCb0&,4 -F2֜~ ՕXb9܃=~%{c+gխG|;Bqh

5c^J/ҩ~<0 s!PEt;T#(F?y@jn{: 0Q?~u(q]^rKAZ5]pV,tĹc젱a&4 J|ۧ/< \ }twxXޱc'65.a?qUZጒyF۳gbc7|?Q!AC J }]@KI4<70@ܥ;nK4Cl*Q3tM6`̦MvڕXui ]5xNi0i ̛}z0[m\"ѣGǎ{rݻ8LJۇ3Ϟ=åk׮ɽWo߾-ۆaOq=6qم`x`=̙3`۾};~* V oG(`dΠ#Elbj `MwXa#쳌NT\*7f3'NE %ot3xIeK7oT?aB?͛@MŋKCYB_ᇂŋ!`ЮĎ j`XhQC[btBsWf2wGc @տ&=:Q@VfqH$@dQ%S_ ? _)RXLyd|i`.Zq0%GwbLjx(pRa _  Z5۲k`~G/z%L{B,D!Jw?AgjQ#.6)Ct"e=J )0G cɤ t 20yv3@2@fvΐ67 2@3d2@r3@8#d` Pjg8 Pjs3!:C&d 7܌?2@fvΐ67 2@3d2@r3@8#d` Pjg8 Pjs3!:C&d 7܌?2@fc IENDB`nj'g4PTGzPNG  IHDRVoQsRGB pHYsjIDATx^?LiJ+VX]Akt.NI"a]t؂\`UR,-Kq+9e\+w҅ H +Қ[ ;1g<V{fw@&.// G~Vf]@N@雌 @TG]G Y,uٳgo߾M5AO<9==Uz=kWkt TDӧOr4ԫwvv>|/jH @Ҍ%?Z-wע^5իlG@ FN=xMKKK>իs14,ktuWkFGB/i^5f;āΗ5<~+-{6}GveySdTD+++.쬹s𹹹I嗺J|h4[g0u>0G/u4ŋ2Ȼ|h߮VvMWG4kލi?'`.4x/\&:.C%eP4jfdwwW3fk5>2븧G@[?:X}n~KP[X{Z5lCu3]nWjwcnr;ej~"b:J8@pE&utYW|kkkJ}= flV _TNQ|G*mҳ>@bϱ()(,uf3$,@t&Y :k :G, Y5 |=R|Vݬ v=茵8:5Mgiu!Mt&N u`ɵά;G).@tf?$ @t&N u3=H@ 3tD YA  S$d]zRH@L"@ Dg{#@DgY :ރ :@HȺљ љ:E"@ά G).@tf?$ @t&N u3=H@ Q-,,x+8;;ILFoL̓E @蛛+++GHښ'vᄏu۷WWW(?e7] X.T>~XףS Y/&''ONN5{.љÓ#VSM>>>.J}ѩ򩩩n[,]ذ*zqZm8%0~ pjMM}u^\\4Aqi' @vѩvJeiZfYVvQ=+_ HN޳CJM@O zP(( NS.m!7oh};,tuXȂHjH˱a~@riQ' V`@|  :9@Do26@N@雌 @c-@t&c@@|  :9@Do26@N@雌 @c-@t&c@@|  :9@Do26@N@雌 @c-@t&c@@|  :9@Do26@N@雌 @-,,xd|Vve2 &mnn ɓ' ymz˗/_z]k/\zSqȊ@\<ԘQ9޽3i{{{iiIB/^ D 8 <>>.J:_]]{J:;;vbQ]T{lll,//y#P Yqp9Ν;wLjr,D^i[WFi[ ;A Dn}iVK4s}}]gffYVgώ4Çuk@I c}@ 7aW>T]9hB;&t:r٬K?Y5%N4 ] [dD % /N@雌 @c-@t&c@@|  :9@Do26@N@O} @ LoOg]ќEX/XIa @~# @ѹX) &ik A,Kj HuGd@@'QEHљ> 3D@ mDgz @ tUD i :3IT&@tGd@@'QEHљ> 3D@ mDgz @F^OΚ?Xh _̀UDF5:wvvmkuJZ_>d@`AǏ՚sssS///_ ט3H@ riqTγn[,E*KOؽ.5SjMM:(G)4.ͤ>VFzl*tYcf!hDBA I^If:N\N3I@F9>Vk N@riQ' V`@|  :9@Do26@N@雌 @c-@t&c@@|  :9@Do26@N@雌 @c-:M$py$:c÷:W)J<љpo!V'|P|Dg2gɕLQ*WDgh4$BgG.@t&oM6@ D'm`P<ک5 ׳ pcG"@trog޴E M4iRVz "@3߽I@ & Gw WYN{blҏ @EL%hDr(mp<5MF 7zoLW]G}ve?zBs YSVѣGW'O/..*JZ[|ёVEu@ %ScƕU<88xT 433ӷŋ[ȽѭX pmRac_-uz]vv655vbߢ͆f޾imn: @fuzT:yxx;w2jM\^FNL7}ՙ@=~NsLׯNZ-ԅB`h6i˳YzN~22 cJUϐse5H@bUTT| $%CN_] $3= %@tbe@'-@t&c@@| $<代$LtJ'tP'Xt&k#i :2"@tf&ILSoPȈљ &3MA]@ #DgF:j"@4uA(iH :-4$&R#LtT"@tQcȹљ#@3 @Μ4Ar.@t D 6 s3G Dg5A ^oaa5;;;h4OOO>?8891GF흝oERV}_}ÇONNݻu!@FN *WVV2)Rfff̧v|SSSyƥ FT*|vvpvbQ;.nnn]____%43bѣTu@~΢[ȢNKTZfrS]T*7uӧZ{0Ukš A4.ͤZ-5қfSW9vQ@6@auBA Nu],V.NOO/^MRɟw`iG`k\]_L=Kv(Ҩp^@'N'F @DgޔNNt#@xx)  :F zS8!@t:э4 :4pBti+@tMi D7Wכ@ Ӊn 7!DH#@ ^3^oJC'N'F @DgޔNNt#@xx)  :F zS8!@t:э4 :4pBti+@tMi D7Wכ@ Ӊn i4?OW]GZ_h+VED/pyô~k>T*GGG<Л'''JZMom~՚ }@ `4xԩ1֠ݻwNOMM_x}S B~`ǥR:+_]]{:;;SVvbjժٕFn2.//y_:i*"KR{rÝ;wtb˗/_~ɻ5iˠ+" M\ctm{A}{҈RwS: YlڑN_MZ^''';/ c x/ٍwؕcv4!x~~*.Y͛7x*5%2!9xucCH`kՉ"N DNv+Bhh};8)@t:٭4  :e d(V֗#DJ@ Z3Z_N Nv+Bhh};8)@t:٭4  :e d(V֗#DJ@ Z3Z_N Nv+Bhh};8)stO;y(r'st1FpP t&!@9-Fα O_b[ @9-Fα O_b[ @9-FF^-nvvvh-j}yxx8v% .~|ssseeʊԹ.~w7ӟiÞ6 1i *?~ͮHfvQ9::RjdzzE DjqTγn[,wQg뫫oPzv>T 2'9@ p\jMME{zP(xR4S温0!`S(p N]W*-Y5M-6jj.?yƛJŜ3!z]#Giv^If:N\/..ћ7o! 6QXXaK @Xn: lHd7 @1Ggͣ<@ 3 U w0C((T'8.@t:4 :Pe x<BB}"DL@ 3 U w0C((T'8.@t:4 :Pe x<BB}"DL@ 3 U w0C((T'8.@t:4 :Pe x<BB}"DL@ 3 U w0C((T'8.@t:4p?:'&&*46?-Uˇ-,,xwh4tijɓ'zG֮ՂՌ@ ;;;z?zjZ__W>m_\\T*jg[niiQT (`Ұoz^4.tdҝ.t fSW97hs 35f@(`o@ no)(R9hB{ǼeS?~kի5%b͢<@ RxSOmN.h,=Ű}Fq☥B!M]?MA3SZj^kJEWhljw$nyHF͌[ukt!'1DS&1Ҫ}_e< ] t*񶲲R<~N<}4n5Fݕ[U?xоnǰ(|#:E4B7cUɪ>׿^ZZRZԫí659"!M,BH?u YOhlmmBUzo֩޾s"AO ǰeSxUek7MJ|_־BU[5ҏ;;w4{mC;P{{N;W~:aAvGº}P awW}x$խpǰ[> ֭k f[@ ?qG"@NΜt4D005DIG;L#pSּD-{[]IENDB`n+PNG  IHDRbQisRGB pHYs+IDATx^OhGÐ@l!D H02I|H` 2;la>d`d!DX!IIsPl&1QYdB ƞgg.{Tju6B~կ $@$O/H P&CHRP&EH($@zM$P42Hz(zx5 Ԁe*ʄ?^M5 @A#$G2ǏW@ P&jȬ" L$PD٬A밊$/eDߡ!L֡XԦ%X&J&I6(ijVpW&&''^yۚב@NSSSoߎ֌wlm^F45,.. ={vxx8d'>u\ H]zA`;wt-#pW&N87A$?\:M:w I /,,T-X?pDiQ0S4r<&*ǜ"P&&a`ֳAdl7O ҃P& 1IT|-ܬM(b¢j3=MIo"#0&/@+e¦("  FQ&4RCԽ<An&&2m^g BiD& d6 (2D*&Ѓ WP&dfo{!I[N&P&LPd d 1$O|t @dlMbJ HBfm%uOEo=F1F(ɏq>>~z0&Do—ά &2~΅Cqosy7nӛ0Mu#\X0]#4  x|_ CMKX$~g-<kc Nᑑ{wzz:LOoZ~dB}ڔȅl~h?p+E_]FɍDw-hEv)f<+ s0Cv~zp˖WVVzzz:4 et^[[ 0VеKKKu; bM)fa:LO^|Q :f4~V-S_)25sEK&F@:ROS趓2:_?Z{"@u:n޼׷800`ӛp6/F+@5Bg4RLu4b";)B&C>/vDk^޺3x:X t+tFG#ָ(;0D[;OCTiL޻ 22zCO Lxp>H fp"ZUiNعa+evp M'b]#҆5B(7%jF"lSrqo)𪮡m5SA(r"A2ۓOaH͢Fk?"D ބ Z[Xԓvd$@=* #y"Jk2Z`OQF$;p"V$e"P?A+.g`2rX-F8e5h-D]Z%8H#T甉۠ 45qC;tLR&2B BdCuȄĔr]zA@*hVNg _yܧ#7_R}KٚlkDGn9@ !z5V~S3=YCx\IoFiB-)3 X,~Z,̓2L`}XҦ@WO~.\;rs纬0q 4~`-Hr6Ns&/wޞ#:zy!u0;>ʰAB$L|•V=}v?ҡMm~EٳgSmGl!}D?'5"Xbg1o{^(VɓWNG|OPœO>i$fUeN6߱.ׯ_O =*ܸq#gZdl$xBY\L9صq9-as4'w)ŝ9D/..Bq~<b߾}vdU#?n恁ܺumDѸ!.?~|ee'3 \866 m&YnqI/VP8׌Zn{KT{yaG/9uN+###;wRrMhĎ;LLLDK݁|W4 $s9ؒ ;ѝjBHZltc^ZZJu)tґ#G>f1C=ty &5gwqW~D+vhA#DRҌ ;R H #]@q}}}+b8/9 }Nn߾=???77ĉ~H7|#ÜSSSυ >Ë/:tB>mniZ7RnTqC7Vv:S7L5 H 3` nZp'"q߈& N'83gࣨ%| NUkNl aZ;'ʟtxmPjw90lB,RSo6y" $TB$)qΆ@p!~&r#bZtGб*:-uFCh^K \MY/4MH{[T(ԋF<&hr: !]ve(I>^ @'Wx@#8ED p% t** *iНMs+Gay*!{l|'x2\?8B@k#U rǿߺ_X|kzN|*bd2 %o՛P ٦A %6 -oz8P#";tP#*aP)zFd!eP%Τr3! d#@X_<~Y'2z.SH2Q Ģ,3TvL2a;sϡ5"PGX_$/;2!dt"̵sE2a6 q,U>cx $L6ʠ;u {Z6Ɨ$N2aV#Бƨ4S@ntBOdP#L)@e2Ns!zb'Ӑ|%!RN٧Kb+C󝚣 9 @73JUL]$B8Jljӓ2UvΝ;`;*bg ,uPps`N䵮H]*~.|cr؞Վn*a5͸$ܦX5UW3yyk|*C L ;bM6emPhc*)W i>܂'\ ȊtC:AA£>9U7aЉ͡f̭&r&<FU aP$bC΀F!?eY  -;" \3C/o9 va2rS$PcQ}LF`11144֭[r#t."|gw~{Zؚi0rwn۶ )m&4MYecǎaLy愚cC&]Ch=ǾrqJiՙ@Λ- _Øĝ/>MUl&j'5"xM LFMɄMEI,e,E2aɃh`͑rytH ;!8\j D PMow:9EFTM&,MdaLHStЖ׹Z7a/ Y`e%⼉4* OAL<4j4u 5l{5BU⍌LX'B Owtq #^Km?AjL@$I@כxG*g|[nJC){])x(`?q"Hm_&6]tn]W 8p}SNK9efZW/8== ᩧBzF_i4R'`F& /@)CX/b\ x7|8Fr m_GFc˜}!`F&P7|rQFD#)(8bE,2AHk~^_diXsdBI 5|0jLT=Y@slؚn̝*A2F%z/+Q:5bB$A˛`0ZGbU&P#FT#n ԙexz`jɄ.|ɄAF3$`@npH&2Q| ND&L\K74QTY&H*¤F۱XzTٛR;.$P"y|SĢ%婱, *%h" ,O%EtE{*Tj4{/|74^wXZZB G_ؤ,18,NLեA~:#ls#G#]/WTqۮ>ԈqW "6;w;wNzzzA&ߒ;z~j>d`oW WVV }RKd # xB7%lŋ8x >9Ho_F$&:HioJ΃H dBnJj8FmB8"rA1 ,4(5g& AL8)9o#ɓ'`!BP =D<Wa"g__Ů "7%y_ t>?|Mgy7nx)'BS#np?8@,Ĵ'pڵkp"lقm1sw?쳳_~s=9cW;Z(Z\ ^磷L/fC|ZߏX&رcd%D|,@Lx뭷V`&3|fffddDBB# NdlBT~/F ჩ0<&S$P+THXf R~GԊ;+K0 Ֆ `~Б^B$2ʄ˭CH  'F(.m#'P&hA.L: @ph L?IENDB`nH3UPNG  IHDRE*jMsRGB pHYs.>IDAThC;/5Q3#\F447P׈D(B) DIT(H hDܯ3y[69LN5{{k5Sa 7>yz^(www;;;kjjނ  yTr/ knnimmEYqv~BLGONN}cccI婀NMM#.FfOOOWWW}}4^WWW`a򲿿5:::<,qM4%pς;<*+;-3l&PQPi*qp #p{ORKѫK$ԟE0ή*V2b(Vt|݉L[XXݝ9>>bcV:YACCC|OOO"";WĬH-}HDn*+#ţspp@EXtx*vdFI3l˃0j@>\ *OxPaxd..dXwvj/7ﷰNKOIENDB`n 0 rƍR8SMPNG  IHDR*sRGB pHYs+ PIDAThCYNW?U5Oћ֍ p#"Bp#Bc"1Ojh%Z M1KPn1%65Ed}/싓kZ~*J!+Z3JJ?(*ѯ'OTɓ'jժO>EA:1U6p=~eׯ߽{bZ|Uڳc7ݻw7o|ܹGjtJa1ٳ/ ?~UV-Z }~6իWwE޼y7ܿڵ~to%3+Ǐ\lٲjժ͜93+lÄ5k>F{}8V][0<3ɺF< Ȭ|9=)Yj\ʷ(8)3任ErX; B?vⴠ񕀠/@aX;3b*lNa&%bZ|cr~*Ln1!-\RcLVD&D bl$o-!F.5`EG"Q, @15˩t2/W7@Ź Lf{_~%&u3˟>}z֭Tz֌($h˖-7oތC_ N,?O/_6lȑ#G1dȐÇ/\4(*^t#~}a'j{޽_~eĮrY/~2 K76W^sա"ޓbo0|6@rӁC+nܸAk,G+Ô*2/4rh}E&ML81OU7n)%4h0SNUAb-:Sb~MpA]vd)beÆ &3ҥKJ͵k~Gt؟嫯*@?`:{ʃzS<E0 \+ݍ=PM*\ZÆ edUr[yq>lʕnݢ|իW߹sG5\4Ȝ:2Q|r_jՒ%KΜ9_#FMZk۶-0 >VpOF?ݛ@;+ԐF&:'L`l(lĨQye1ɤS0u%۳gO Z;w6mZ˖-;vHsiڴ)2N6 'Oc_ |iCd!C>Bـ45j&$Ҳ\QL?rƶ@ ߂'%C`,l QެYŋs`b> 'MD}5a>{,TةSp4K(?{nHfJ )RJ۴i شiҘd1=tJ~h*RaGTΝ;;7:5[̙St]p^`,.9}VL4D~䨕JڔTN}"C%ELv߯t -m}qy^א#o#6[aU2W9D"LL4<<FT}I,~?=:a,!j1MjTG2S v:MszKW)[0.FS1ȼe4*ɺ^0L΃~5PqKcS9jp*@_fl-)?@ ZmI"UB+}/^vl v^^N@N;'`e2"T?X_nJ{tߋ2 >4ЗUl&zԊ!`(b͙}n8(rHydc ={` )39rwYIM/_{{Uh888;;W`7I_#pd.x>311QYYWTeM^ʇ\N&?ଘ7&''EJ ` }rIcc#)F%Ƨ{BwtttddGu-t(i"K.:4{j ZEdeY}R^).--755_oYJ lEUシ_SS_~{k)y{szdXGE[mifח`jq~~8;ETEwЭd/G j3"!q&`e)Jh*)jximJkۅ*KU?ͱܢgi?:E]ǚmJ1>3IPk^-EF'rOп(vi"^>L1fF2`Yt(N:W4qƲd~Nҽ73{ 1R1ff%c>Κ1LO /OIENDB`n a܂rqZ߇PNG  IHDRv3PksRGB pHYs0?Z 9IDATx^YUqyy!F}Fb|Q1bႊGpxA! $qB㔫qQcpniiO=lk׮ZUN[((TT+Sd\^|YjUѣo6iwe% .Sk6YqTizJLLqV9Ȃ2z!ؤ&I:.lYC\/^h0سv*> iSDa4\Z|"*X04 jժ)pL4]ZY(}6 inʊ>|?E已J#Yׇ"֭1v-;wiҤ])Ud 5+@"ip qT8NOriHLdK)"~ҵΓFV8͛7n Z>5$Ze1QĊݻ7f }F Q(iWAIJplLǺ訇ۙXݲe۷hѢuW_}E;(ϠW%xdQ Tș w'OTL5|e'C`c$ڴhw&… kԨA75~;gD*YqvW"K.=|wE7` +fQ4lD\ V~*K̗Vzaz_e?ӵkXq͚5ݶ~hsῷoMW5PF|2^#GʧlC5^zĈؼy?{nB#[L}rpؾ};g{cϟ?ȑ# =; O?cǎm۶g7ost–mF~رck us )(J4:)S^p{ QV3Q/p~mXIJoɞXd'رc] j(EN:~8ҳvR /^&'N8w\wwTbpP8}c'N0ѣG yYu+!=5-e 7P/D0vWϙ3;Je-9)?~̓>䓞={rHPiBӅ䐽4Yʙ3gV\4 yi Lmt_~q WelҥK4FYJһ)zڵ ,IAl?wRX4łjsYFDi\7{N9;\zUq'%E ٨Q#bU"TH!'Y1eѮ];}\W $Z,3Gi.3{c62YOx WT[#nҥ zEbH9fִ׫W !7( (y߾}?õeN.\fQC#Gdb1 ЇàaM#@z`t Yby?kѼ2|'@#U!D-HH |GrII ="bkC*G D,_\s32t|CIK`n |FP+Ԯ1L*\npE>Lոqc'L)!:6d'M9_p16sL2DdVQeXhF28"ĔìCNoZRkQ щb%(;82ֿE2yP9CI~s┧YCs2'XS!WC{"6CGUOC]t8Ԥإ3 ?O toķo r{q&:{(~Pq2Cp-@5%RW؅1:-Q+!:@p6(嬸4(KA o2 N:Tޗo}.XMl+@Dd`XmD+Q%Q3xmWzDcIA9,efRL՘!/ȳSIENDB`nM_l-uPNG  IHDRFbsRGB pHYsodIDATx^KN#ADs#q{˰# Yp@97IgUyfaĞuks7GĺѢ(w4pv HS*^UF^V:٧GLW|-
    -&aBi5C\Z=İu6ts"<dr!%2HRhQzzzj"6U?ާz9Q^]])eg<6,t0}}Sk5:e{*T5KTWFU=hН_Vy,$1҉4EwJJ ec~ ě"!X:WȌ?Wx©Aipʴ̨QE+m$"xeD!Zgla= 1aFbgИE%=M]JoYAH2%[Czڞ\,d"E QhxdN=Fa.w$Gyr*Uߑz:t}yF8zʻ~O `I ҡ4@j-"c}΀6巤temI!"UN<_>= Ѝ3M,OOQfm ~ v  #"1(j2297{;OEOTi\ ܃'.+WJ}HӔڮ򹬐߹围46b}ob hn6Q~"}7M߭_ _nt*{IENDB`nW(g1ny-PNG  IHDR>']sRGB pHYs\!IDATx^KID{|$a",#>bAy#ȤE.J: LN?O ; 30K$޽;I# JWn:;;{٩DSVo߾},̐ѣwJtׯ_󸱀1WaQh+?~GOΝ;o޼{\kBty@ 厎籲X(je~pG#ɞ1HO/~@$JC01'mE`t^OTp dž@ԇ?sH̏ׯ_ o9,_M]Χ]lrVy`{鬒:l/4\^;>BK|RK[s]f`7qTn3pdrDj88hR+Ubh) #p-Rmc^^cCآ*Go߾ˠغGzJfiU`jUCW&侘ߧAT(OJh0)z)ǫ s~zt|ߞpnl!Lb@Ż\3R:Jv ވ!|<-6RK8[s~Kۗ6K}YJX2`ziAElKjKC{lAuh^,]Oګna7d.un,\pukh(lf+Ŧu1o"[Cݹn@ =ah8/yh /7& IէOҴ;Lʪ-{+.؊g_Œ+l禰M8E=Ľ[,I6cA0}pQ6aa}ݞXe߅M/&7m/SyIwוo,lv0Tmf[x7[۽kKA?HymrLvd)[ SUR!+'u4aHC&C9Ͳ h13 w?K ƆN 9UOǡ6xSR$`Kj&?843vVؗ~Gٯ[nQlVf]^.%ڷ9ˉ%y? ?̿3 d{r!' ҝy08Ifd&,ݙd`Im U[j^IENDB`n? dLFPNG  IHDRV{$t(sRGB pHYsjXIDATx^?hIo6a/q .,Ȇ_d)Ёi.XȊ N ŰFXV"t&:[{Rgׯ53yާJ_UUfj777@D_@+"@@+@+3 @h%cthtF\@d @NΈ+ @ RZ6D d@ icJZ)̔R_|RNMr*z4Y੍4A&VHZjA&V+NruUyU///eȸ<'K4YmV*\WoQW0Fx}!vnUۍFlnnnnll m4g;Y4!"}3V;@v-<<}jjehj^r~~>rhedtdB`~֖[G77(2{(N; @ !&PW:t3f̦@JTxP'CvsszWh4榪?wߝR!0p   j̠x'-;oF@kVk}}L?iHVZ___///^8(2M]`:] Co%UQ2Y* h2f6=TYXXHTjgTu߿O bC#._ӧO Mz];eȄ5֖j1EU)*K`;CN"hd쥢Mq; $@}NkVگ<WY[Jn2+JIM@MG/ΐ)WVVHey&V_E qD+^@ }SޯL? @J*6BQ Qq P%hez\!ʨJM@TheTrTZY&W@ *2*9DRo+ @Xl۵Z#WWR'''Q>@"P =8Ҿn{pp \Uvh6Sؼy#FK|TÍQSKiGʪ 2@ je5z<: VU2VcJ  2ЬЕ~dUEVKٞDU팪C-3knAorJ\h666Lݴ:ZƫW޾}qq/ >I{{{O>55ղZk4T^kj9??9\22:n2!0irkk˭ܠȰjb;R 䍀ɔ?qD3fVnR֘Mq; $NGZqYMx%/W& @ֳmS fxML y=N @w8F+^@ }EO?\8 MOWQql;oFGew%kL"_ڄ 0j[eki"Ýi6ΉΫb[%x@!hJղ¿eiiIU]vFU-_6t>!j}X=ӧO MFW^kGr~~>!LLZommonPdX@?wD3& {J̦@&xԊ[ǃ8 pK)D @ &2u!mSʥ2޼yS+ٯمL`t2qL3N @ ASޯLsiT2x<?] @+ e d@:.!@+ e d@:.!L+@ d6T1G("l2,exGCX2J(D L++Ν!b@+_D dC̆;^!bX+ySB,,;v$R+ !^+YWv8 D ce8rYC&Rٵ#k@ZiZk-F ZԲjÎ|!P8Q#`@jʪ8BQH+eɮe>@ y޴jv-fmYk wA)/_v1fj CIxiR8ؓKƴSPIM@FUۼlzO iN`f1M-Q'OFՊ"r!-@~ ̦'''ϟ?2*ׯ_߹sG+ne߿_\}'@1 ̠޽{wttCUu3ݓq%Ζ!Y ̠= >9;;ɎTweQ̙pq1 dA+"XXX:Id] @3,SѵrmmX({]<ͣa.@ RSȹ9yZ]]ҬUG|G݌F h>LGKCw}b;yr#L`Tʣ:}#4ʿM$uZ9C 3RZjWxQ[~yZY ePyPCE!heeBh|HhC%x6F3c) b P~>)un 0kģ!@qsrIZRѸ\^@z*Et0'@9Y,$p@IrT-tI qL'! L`ϯIp1^)L Z9:ro; j%ɬ~!Q9J V@ WN(sE` *ȝV"UȑV7(sˋ jȑV7V3-|ien1 PqyʐT"}@ +yJ[S @XlgNci輪2Td 3 ϊ+!LʍnKUuFU߿R̻ẇB2@ Ca>}NΛЕ$ L^{e"eۚ-uMtM[UշJ0=6eJ\dKϟKׯܹ顎eXw^j4O<)Ϋ6%CNhQ2/^|^fY^ 5m2Z9;;2th,S @ >[Qv] nӖ@y#0YniQLgp} dBX]](;ɷ3L/C~ }2ױvlVơʽ@rL*cZ fR) BL+K!x'VzGJ@ %TR@+yiH@Zxt> @6Z7Z 42i´ZY^$@ ihe҄i( H@ʤ > Phez I}@ 2"9@I@+&L@eEr&V&M!2@+Ћ$M mْQڇ V*>-M@ Qhe8 $IPM@lʲ(@IvVu: UuFU"cggGI& n=ju݃E骲FTuP...΋s> V!@P,=IS<p2eOʭg; ڦ:D`c4@\[[;>>E: A(8JM!d^]]i삧F.z78 Hln @}"@ Ahepi( 4]I"@4 PheiD  ¥i@4t%@ @+K@iJ$V&!@+Kӕ$$HL.MC!V+IHZ \JC,MW 2A4 ZY$@ Ahepi( 4]I"@4 PieVh$T@zZ)77K@9@F@ tRf&V+vVt:UuFU"cooOƻwf @&&(Wh4榪?wߝg;\AAU"`x?߇gvތ2Z:ZYF( Qz2e"eۚږё+C,--J4 RFx;w4=Q +$Q 'OUuFUAk @$> ~qq!A\\\|￷ iH5xpLAllV)@]DZ2u띡3nl_Sd[{l "v-\[[;>>cev rnnNՕ:.zn@Wdz8H+ӏE ++ Z'A$V_ K˓ r@+ٯd%VIk@9 W@+5@r+YA~ ~y PNhe9 J^I>L&C2i@ IZ9i nkj[V+^'tYUENevIBR$߳gϴe˹uƕV6tU;ŅE-fOS`{K `e<ݻwO3}kkkoo/\__"WzH#@jƬ%ÇUQvja@ ||svvV=nlc4@fLzmJ9Q>W~,MAE {:-\[[;>>E:@(:Z)ܜի+?u]܈/aEqq/ >EO?>" 1k;= Phrө`@E En\#EKz@`={ѣILhF7t Hg}aV-ьn68$ |^(zggG[K ̿oJ73٭[b)~W_}ŋM]Ĥ絫hI]rj/7x7o߾V]5гovr@jkym0B@k孷҇M- ~sguu5G4T !uYJ4:e?=}FACJ]Ikdjѧr4G)X_WjD\ЕQno5i6#x2C)ݻwQvSy~zUDsldms766>K.w&GeijTC 5ii"5_QiiFϭ2 0@j0w@ !h6$r6RIf#|L~bp%t{OHֲ+٣!t}GPΎ*+Dӗ'A9ӧP^s~DXGJ_zUgd?49I ͍(j_:#Ll{z׾Y;41svHM9%ĺ^Z&m?uthUO?JBΡi9Ig95>9o}>o8~q2^WFkd 7ڵk4ȶ4+^ׇ:s^u>|d?Wd7ꟾK>Y+8βIەhd,_7gP>fOvYA%V<C-Bz֑ؗtAR"B DShzIdKڔӸpW7wN}U2'YYf> ho@(x͟HVh7n#t,JӔQA\%_JjibPLt͟'kiPSWKچr׿p1B 8nPFof6S"7RZ7~ aRZBArn]|Y&I ƐP)VmLPK6u>?i9eڝKlҕub)W<ȧ="HӟTzDEaxJi,H3.dGDfD}}>nfhoVHJ{]rfgzMM߰[ DqZ@ li:&YF)qmO8Et&%SY0?Z9Ӵya5@ ZDyw3M@m j)|  G@!h'x 8pM4@@"D3O1d !d$BA43!8pM4@@"DS.~Ug9K(@"6ii !DpM4#s  (Ls̆ AA4[ D 8fc6 Ifwn% z"8&}ܹHh&9fC iFp@ Q @ @a۳9vvv<4#s  (¢r=VWW!D(,Ϟ={֢KF@EDiɢuVulmm;jf^zծd (c6 AG4777ϟ?Yi%'O._ZiFp@ Q߾}rn)177c<e;'~̆@ DlBܳs쬉ߟ~ؗo=ﺰ9 ԓ@ͦTpM4h@;8f;`% D:@¢kkkB؇u.%PX4wY{!Z}>68E Z|D3-XX @ hhңn%Ps4ˍ:Ax|nmmFS %A#/Kwhn#%C@^~k Zytλ^+84@xYQza65yB)B%=z+D&s@ccf@C S Cs &ݚ LhvӇ#0ALBh/ۭIQ@l59ʂ$=b i ,QTs>9$t3:hU+綏hĒ͑0q Pk%  $Ph $Ml4X4646(]4lsuwOtѤg3Jh3jD69|@гIfҵ!Bfg72R'Ph !T4/\`Az[+~C U1y||#:=V@Ĉ#(D7 09Eٳg_} H/Ur&AG4ܽh(py܎;w|ǺO?u3d醔 M=wommYAJOOOKtV!L7nܸk< S\__yf(޽{W\џ:++t;Iv\ \}'}΍> MvFf@Ɣs珎DEg c*fK:7S Smer`0Lڔ"#SSSQtxxvJ4ne0P (N Zz4۹CeT޿NC.θp 0WT On/9e)LG4Cs"jp24DU DhFv}m=NY"@`(h͡{Afbts\A <񐥖cĚ[!>;P؃H}&ڛq !Z&8dx/ M B|ZGߨ!Fq# M Uwgt(:HV43䌍>A ftja{[}8 ZD Z|D3zo R%74@jf]fGB:@4K4ae(@^(&Nz8@|&ҕnrYFԜ@xSPQ͢VEUEr!PO-Zu1r .inX派N"@I4`:Bu! ։f.MN|TahehF=xuz`%ԗdJ|vMx9r7 4m<7'8{"?@Ds6{<jMhDsX,3Paw4Y$ơ33Qg\ Q!m~23 "7A I>q|rF3dԄ(CDV:_t}vc/^r/i-s 1yq P?>5)@2guSO  @4',O-]ŰF&ͯUyhS}g>{W-qBghhw&+ D4 r !1G,I༙O!ڳS,n%B\ƚrN =@nv&UypplxWSbViZs {Dxqq,VzmmMMg\ǿǏ7k5}NL_,k:ٳWwG4777,UtVSw]ŋ޽[8@NĴJ_X0zOzbzhձ>۷ow:kq177)PG/riӯ33YM嵿?33JթI`ǣ+@󶄓dĴ讃BQGX%EV|P;4??K娳҃ EB`|}nS[.Ӥ!zuh.//ooo,!Bg{ITќ ʥCcuVz36 dba|t$*lz`AjLnImr|@/5" hFpԔ@vN97q* aei~0 –( =ZGp8k6l+ZEJ HwjD4k ̃@+5ۯjݬ5 L4lW'!M`dSE;1>MԚ@f+-ֈUҤO 6; $hj/ I"D} ^.A@oѴ]Cu!E Z|D,7)@͊@@Zʹⅵ@|DH@AѪ#]r@>UG4} @'h>DԉYh`  P{fC@ u@'#у烁@3 DhF73xԞ@jf`  GrZBlIq!hp$@%͖7!GrZBG4g<2nBu#Z>=nh h͖PM@&u@fX\ @Ѥ@(@,K! @ `q) D:@D,. #  JDhF/HBV-$ZBlIq!hp$@%͖7!GrZBlIq!hp$@%͖7!GrZBlIq!hp$@% _{{{-a¢gݽ{ӧp 6G!|WtG}ꫯ*VgL xU.1F 6bp,4֔Js:.]*O~b4@H@hnnnnmmJOOO Ҷ[n]|Yҹ @h߼y3dz޽+WO͙z.  &2=lh?sf/锼V@ڀ{pfggmTG>jWjjwwwA @N9Z^^IE:+ )@ќ7.KKK.Yi`AT3%PxEP\Ή":4ʯ={Ot(qO/KW XsMrV`gg8+1&ky wS]~sy(+0FQ*pږ.%rё|ɇ~OtVzߛַ+]EP^)ysiǏU^ 31GGG*KEk_}`Ȏ.V䎲ͅ{.8sY\~w+s.PUx+XVR u"}_^d쟣9}|s |%rhJ9!P)\Fek>"pz5!`5\ 1ױ,ihF_.%}Gc8{ok Oڃ1 -݀쯱i5LrC P#HG.7Y-\':[˦Tf |š5ʷYC,e _.է*nð{1|'4i]\]:cQEuZZs+S d__@f՛ 45pOe# ~ݹsLU/l|A5\GRkx+\}U+4~|r3[oГ\, +JYU2x+~4rUR wyX5P#:+=NV I"(NF`}J J35D9~ krf; <-]>hវ)V[6tjxۃ:Vlb6%\K4eiz5 h[A'!d T@ `q) 4ZnIENDB`n|"M773[R;3غPNG  IHDRf|}sRGB pHYs+"IDATx^?hǽ4W bD .rȅ'Q#U-Ha5W)N/!9ABJqh `B𒸒0H~_뽛Ϯ33ߝy<~3vzzz)oo_o:@Tc(%?[" ,d(sssfSN,..j5d"$ ?LĴhH:5t*j``@WMl,B>Lϣ#y999/ݻTjg =C(>|ԫŰ߯OvQb@vTnx"z=c}W !EJLuӧ~Wϋ޽{;;;Tj*v!dGJLu*zU;&}}}Z_իW:%W !EYc(i@   = Ĕ@N*]ҍ5 _ 9d%oBe=Meօ{FߩE>];f t&vf:Ӽ+16 Pc5ӂaxpNɤ"%< Ԛ<]*eV rSjDS{@~7Xi9~& P%zht$xJLg rbz y||ś9pj%L1v^NMMW9 %^,g.zsvq PM+zy~7Dӧ### ܸqC?tL͑QL!j\@@xo{{{]&׿jc~'jw:WCg666 ˎԽfG@ ܪ4UcIUTT+www͖>[+d{Rhu 0!,ݻwMe@W\4a>',䯾jzzZS{%%L{^[*_2>>Yiz3l @9R!U~կuxR 鐚iJlKivYf[z p|j .@S  ں|7@NhKIO5vMzb53:ޠ -Af^n7O3>iǏSu;?[ZS{t=$V񇠜@+34wkG _뛙I0z˗/S ur 6SN@' P61'fhI<**FA~(=daaayyYxj2_:ӟthos8-=/%؟g$Yyz Jt?hѧzF 7i~&Oc|K)5ޠ *hڕ>[biVaUm]߭= p1In5iCo L[zc7_:qă@VѧzGVF?9 :YW8jwu1T3SMյvO?600`N@5Ą3'望vA':V,+T :7y8}8Ӂ.R>%)ժ)|N  ɖ&]BT@/DqKk6j~גN]y U[)AIѨP% @2Τjߪ*?{leeui3sNtk @Ep$0! r~| @@Ĵ{s@r敨 X):9[%`%L+A9Ӝ} o ަ X)5ӐR@4K@HĔP!_!, Xi7 X)5ӐR@4K@HĔiHW@ KVbc @ $iHW@[Vb (oc@Ĕi -+16* 34gIJLsP =+1f=pIJLˉ tO1{@h!`%LQ bl6zVۃ $NOS/榦{/^\vMI[/]J!I@BFL_~ a4 Ӈoc洒md*Cȉ@$k-4IuߒT=[r32&ulTn`jN=~zhh\4=  Tb׷gVVVG!B YE/ $`%i@^@LJ@Sj!ĔL] P XiA7 SD$+1fZ1C@VbJ͔1@S Bb ̔< 8+1 |xʕFȎoݺlj řSt@PW65SF?~<==5V5~ ,Ǝq@D^LU-a:99,5;e.,utN );;;fsKKKqeeEr{{[}@ ObX~SNq4t@5\hߵ@ TVbJ4Դ7 v J1 5s xEJLԫ\  P +1fZ`0 xEJLg H1->!SjDSjv(+1-" `G1X)5SF CJL2 8S Bb a>5Sgy#@ pVbx@+1< 8+1 8#`+` [1eV `$gfsqqVu666#b)@{1]]]8==05۷o3S)̌ڊ6>ݻ@ 8&D4]ZZ㏧;FGGvwww||8\߶+pCwi-)MN#ZoO<1Z*T. n0 'U3UTQ'''ѣ5?>44Ա_6 P)I1ٙk;<<񾈨T+[YY# Б@빽sߑ2@0?܀@n'3i@+VbU$8@@Vbb#4  \6W>@ u To]P3{A#`uiw@o@ ǥQLv P@ bJ͔a@S gjr:'`%L>CX3/@ĔI @xVbJʹ ˋ~8B%pYя~ @֎zsio (ڋ/]c`:i @G<`2@!RB(  X)5S3K@!Ĵ1 @CUв'h6Tzvo6{\aFq (ッy:00pzz:111??I׿/QB7nܸw~;9*%Qcdddkk+_K7@EFq'>r dFJL3!F1 ,a IJL Ϥ ?+1f°IJL O1͟9!Sj%DJL{NJHJL9UAH@OĴ'@Ĕi G!A=Ӟ, Sj%DJL{NJHO%tCJL (~l R3- *@{Vbڽ9 PNi9JT@ŔsO9g sŔO^ XibS/ӂS@hŔih)_@ bJ4' 6ZVՎ9o}h/ L$tuuu``tbbb~~>yLS@HtffFQlmmE᜷5R@jh4>fZj]e4}BȔ@Li  ڨ9_XX4Z%CCCglHT9ij(@$t;S:߿ov;99p)LR}(>@S梅 gŔg@bZ Գ &k1mRD s$5 `EZL߮RA;C`#q@ a P]bڮDJٴ!PUbR%lZձD4k1=J+@d"LN7U'`-OAV}p?DZLϙ29("V@R{1k6q>>O#O+> U fx֭n0-C!H+kkk뚴u~~> U!>C"YXp:ɉy[k]S9"Hlڋh__6չ%5VVVt_"vʚ۲])j !۞nJI.meY4.KApIdz]н"ƏM-j@P6VV@> D95:C,5cpKZL݉_4Ku!Aȁv_3;}h !`-nHuM <8SIydS4:w44tdNF~:-2E<p-܊3*A .&bg!\i:M=A. S5@[w JGWԟ儸+( 4ZaKk1-h7"ZLVUydji>O_ }1g|̇pC UELPۖ"W7^ P:*@YB^K7  V(/8 + (HLN= mGUbZLӨm[L n *bۮdhqyf$a qtk1b9ibAFOH)k6 766i^?::} A ,ӆ"3,96 )_|qrr]777o߾v&~#g΋?*9JR5IǍJzzpppƍU&''%hddlDZ@Nk4:K;!ZحX-[6yfť7_6okGwb]yqO~(!2풕RҊߗOFLxJ%$ۉ4S%O>]XX`hMIRHSJl ALuPjy葎xP@S Ғ}ѫWt\R!B @ 3H))`@H)t]L=  x@1 O1 ?Dx@1 O1 ?Dx@1 O1 ?Dx@1 O1 ?Dx@1 O1 ?Dx@1 O1 ?Dx@1 O1 ?Dx@1 O1 ?Dx@ `1M6j0l]>]Kci@nPc(3Ĵ%6@ 7N PӎĴcl@"8̯H Ȗb-_z*B1H Ȗ@bl6uY>쳓EiE 3a%FW$ aooO  cnSLډК "em]Y0W8u&ѷ)wN988Px=[|}0o>VnzeIz/8<<|'&Ų­?Ќu3_2֕xZZ7g^a8t~oP^RI}"[O>[m [^E_V+ 7o>^\Ǐ'''5p4A}ͤKKKiej]nَr}Ȉcn}x9麂~s(ϟ ݻwoggGokTm-jmWRnj%Fmno'Ihi1==m<8X)MNj ׯ_ku4G1S9?ϧ~jtM&iٳgsҥz,7իUmJ2-nM + 7Z$a=7AL3MAºIk<\MaQ/~ku6j\ǡhtqY {`ƞ×gN Ж@$S{@B IENDB`hj( &'/ 0DArialngs/ (0(B 0 DTimes New Roman(0(B 0  DWingdingsRoman(0(B 0 F'f0.  @n?" dd@  @@`` |@G' >>()   >>!(")%()+,-#./0123 456789 : ;<=>?@ABCDEFHb$lBQނ2hXm b$ Rbgӑˋ#S  b$XŤ&ȻS˂3b$шS/d㑞eA$b$RIgkcHr4b$ugsrALݷ73SU2b$ߧPS'r= d 7b$ <zDb$FK)/Sy,Xb$S)-q\b$eVLKu8, Dcb$ A՞!>ؐe-gb$`!D'[!nb$t@2^6zwHiitb$WW^2&="y{b$ҽnf Z&b$'g4PTGzrb$+ 'b$H3U3b$0 rƍR8SM )b$6: W <ئ#) b$a܂rqZ߇  b$M_l-u?b$(g1ny-_Nb$? dLF%b$fjK#yEb$M773[R;3غ"|h 0AAf@8 Q ʚ;Nh8ʚ;g4;d;d@B 0Fppp@ <4ddddlpC 0/  <4!d!dlhG 0<4BdBdlhG 00___PPT10 A___PPT9#nXuBN\aR~PNG  IHDR [AsRGB!PLTE3ff33ff33f33ff3f3n cmPPJCmp0712 7tRNS A\IDATWcPR(TRbPJgdTbP+XĠ !(Pȸb{"dAa Q\Q Z\ $$ (YRRXͫʆ-IENDB`:D?  %O  =D\Time Synchronizationf)In Wireless Sensor Networks Anisha Menon*The need for physical time synchronization++F fObject tracking Consistent state updates Distributed beam forming Duplicate detection Temporal order delivery Energy conservation#Characterizing Time Synchronization$$FfBPrecision Lifetime Scope and Availability Efficiency Cost and SizeConstraints of existing methods Df[Network Time Protocol (NTP)[8] connectionless messaging protocol exchange of clock information between clients and one/few servers algorithm for updating local server Assumptions made for internet are not applicable to sensor networks Energy inefficiencies Hardware heterogeneity Lack of infrastructure Mobility of nodes Disconnected nodesD " jDi    Design Principles#Tradeoff between Energy Precision Scope Lifetime Cost Tiered architecture Tunable  Adaptive Fidelity No Global TimescaleN " % D " %D Sources of Time Sync Error[9]Send Time % time spent to construct message Access Time % delay incurred waiting for access to the transmission channel Propagation Time % time required for transit of message from sender to receiver Receive Time % time required for receivers network interface to receive the message and notify host of its arrival  Z$Z ZbZZIZ ZnZ B B]BEBj &REFERENCE BROADCAST SYNCHRONIZATION[3]''DfAssumptions % a message that is broadcast at the physical layer will arrive at a set of receivers with very little variability in its delay % propagation time for message is zero % the receiver jitter is less than a single bit time Single Hop Time Synchronization % Estimation of phase offset 1. A transmitter broadcasts a reference packet to two receivers (i and j). 2. Each receiver records the time that the reference was received according to its local clock. 3. The receivers exchange their observations.   u1 BBB,B4 B   HEstimation of clock skew Perform a least-squares linear regression on the phase offsets. This offers a fast, closed-form method for finding the best fit line through the phase error observations over time. The frequency and phase of the local node's clock with respect to the remote node can be recovered from the slope and intercept of the line. Each point is the difference between the times that the two nodes reported receiving a reference broadcast plotted on a timescale defined by one node's clock. Tr,b = r s clock when it received broadcast b for each pulse k And plot x = Tr1,b y = Tr2,b  Tr1,b The line represents the best linear fit to the data.Df?JBB!BBBBBJJJ5 !Multiple Hop Time Synchronization""Ff    The synchronization error introduced by reference broadcast is Gaussian. The per hop contribution to error are independent because of phase and skew estimates being calculated for every broadcast. The total path error will also have Gaussian distribution. If standard deviation along path is , then for n hops the error is "n To achieve synchronization with external timescales, a GPS receiver can be connected to one of the nodes. It can give out reference signals in the form of pulse per second signals of the GPS receiver. Other nodes in the system will align themselves to the node via single or multi-hop methods. Fx*1B(BBJ**   RBS was tested against NTP In light traffic conditions, RBS performed 8 times better than NTP. Under heavy traffic scenario, RBS performance was affected only slightly while NTP performance degraded drastically.  Advantages of RBSFfThe largest source of nondeterministic latency (send and access time delays) can be removed from critical path by using broadcast channel to synchronize receivers with one another. RBS broadcast always used as a relative time reference. This further reduces the error due to send and access time delay. Multiple broadcasts used to overcome large offset differences at receiver. Precision of synchronization is increased and larger group size of nodes can be accommodated in the single-hop stage. RBS allows construction of local timescales. Outliers and lost packets are handled gracefully by best fit method. RBS can be used for post-facto synchronization. Disadvantages of RBSFfIt assumes presence of a broadcast channel. The multi-hop algorithm relies on effective clustering of nodes around broadcast groups as well as overlap of clusters for inter-cluster synchronization. It has a complexity of O(mn2) - for each of the m received reference packets, a node exchanges information with all n-1 receivers. It assumes that two receivers lying within the range of a single sender can communicate with each other.XJCt(TINY/MINI TIME SYNCHRONIZATION SCHEME[1]))F frFeatures Low computation and storage complexity Tight bounds on precision %Tight, deterministic bounds on estimates of offset and drift of clocks Insensitivity to communication errors  A " I& o'ABG&  !Data Collection AlgorithmF$f The hardware clock of node i is a monotonically non-decreasing function of t where t is the Coordinated Universal Time (UTC) The oscillator s frequency depends on the ambient conditions but can be approximated with good accuracy by an oscillator with fixed frequency: ti(t) = ait + bi where ai = drift of node i s clock bi = offset of node i s clock k oLJJJJ!Jb   Consider 2 nodes 1 and 2, with their hardware clocks t1(t) and t2(t). t1 and t2 are linearly related by t1(t) = a12t2(t) + b12 a12 = relative drift b12 = relative offset Z6J JJJJJ JJJ   DNode 2 usually takes some time to respond to the probe message. This will not affect the analysis, if node 2 time-stamps the probe message upon receipt and resending. However as the delay t0 and tr increases, the precision of the estimates will decrease. FEJJ TINY SYNC DfbWe don t need all 3 data points to estimate a12 and b12 bounds. Keep only 4 data constraints that define the best bounds. On arrival of new data points the two new constraints are compared with existing four constraints and two constraints are discarded. Despite being efficient, the algorithm does not always reach the optimal value. On analysis the difference in performance between tiny and mini sync algorithm is only 2%. HP-JJ{ MINI SYNC DfUpon receipt of a new data point the algorithm checks if the new constraints can eliminate any old constraints. A constraint Aj which satisfies the following condition can be discarded 0PJ;)!  Synchronizing an Entire Network $fANode s synchronies to node u and node u synchronizes with node v nB  The network is logically organized as a hierarchy. Data fusion takes place at nodes at upper levels. If nodes synchronize with a root node, the precision decreases linearly with number of layers spanning from root node. Instead nodes should synchronize with the fusion nodes in the layer immediately above it. Nodes in the intermediate level i synchronizes with nodes in layer i-1. If a node reports to more than one intermediate node, the node will synchronize with all of them. DPY!dExperimental Resultf  .Bounds for b12 and "b12> JJ/LIGHTWEIGHT TREE BASED SYNCHRONIATION SCHEME[5]00 fIt exploits the relaxed constraints on accuracy for sensor networks. For a single-hop, pair-wise synchronization is used. Multi-hop synchronization consists of pair-wise synchronizations along the network edges that form a spanning tree. Multi-hop synchronizations require only n-1 pair-wise synchronizations for a network of n nodes. Focus on minimizing overhead (energy) and being robust and self configuring.DZ-WPair-Wise Synchronization* ffNode j transmits 1st packet with timestamp t1. Node k records time t2 when it receives packet. t2 = t1 + D + d Where D = transmission time, d = phase offset between node j and k clocks Node k transmits a second packet to j that contains t1 and t2. Time stamped by k at t3. Node j receives second packet at time t4 = t3 + D  d Offset calculated at node j by t4  t2 = t1  t3 + 2d P  JJJJ^JJJ)JJ+JJJJ"Multi-Hop Synchronizationf-Assume that at least one node has access to a global time reference. It will be maintained at an accuracy much greater than required by the network. Can perform selective synchronization if desired. Due to clock drift, the nodes have to be periodically resynchronized depending on estimated error. ..%Centralized Multi-Hop Synchronization&&f.Construction of a low depth spanning tree T comprising of network nodes. New spanning tree formed each time algorithm is performed using Distributed Depth First Search (DDFS)[2] or ECHO algorithms. Reference nodes initiates synchronization by synchronizing with all immediate children in T. Each child synchronizes with its subsequent children in T. The algorithm terminates when it reaches leaf nodes. The error for pair-wise sync is Gaussian. Hence a node at depth d in T will have variance in error given by 4*d* where  is receiver variance. The reference node initiates resynchronization which occurs periodically. More efficient when all nodes participate..Z$Bq4 Distributed Multi-Hop LTSf2Pair-wise synchronization done in distributed manner. Algorithm does not use an overlay spanning tree to direct pair-wise synchronization. The individual nodes decide when to resynchronize depending on parameters  accuracy desired, distance from reference node, and time elapsed since last synchronization. When node decides to resynchronize it sends request to nearest reference node. More efficient when certain nodes need frequent resynchronization. Advantage : Nodes can opportunistically synchronize. Disadvantage : Cycles may occur when node at the head of request chain sends synchronization request to a node further down the request chain. Z#Disadvantages of LTS$F$f$ It is dependent on reliability of information being shared between nodes and reference node. Synchronization will fail if clock failure occurs. ,%  CONCLUSION5Time synchronization is a critical piece of infrastructure for any distributed system. Different systems have unique requirements in scope, lifetime, and precision of synchronization achieved as well as energy and time spent to achieve it. Existing algorithms have to be adapted to meet those requirements. 66$ References f[1] M.L. Sichitiu and C. Veerarittiphan, Simple, Accurate Time Synchronization for Wireless Sensor Networks. IEEE Wireless Communications and Networking Conference, WCNC 2003 [2] B. Awerbuch, A new distributed depth first search algorithm, Inf. Proc. Lett. 20 (1985), 147-150. [3] Jeremy Elson, Lewis Girod, and Deborah Estrin. Fine-Grained Network Time Synchronization using Reference Broadcasts. In Proceedings of the Fifth Symposium onOperating Systems Design and Implementation (OSD/2002),Boston, MA, December 2002. [4] Santashil PalChaudhuri, Amit Kumar Saha, David B. Johnson. Adaptive Clock Synchronization in Sensor Networks. Proceedings of the third international symposium on Information processing in sensor networks,Berkeley, California.Pages 340-348. published 2004. [5] Jana van Greunen, Jan Rabaey. Lightweight Time Synchronization for Wireless Networks. Proceedings of the 2nd ACM international conference on Wireless sensor networks and applications. San Diego, CA, USA .Pages: 11 - 19,Year of Publication:2003 [6] Jeremy Elson, Deborah Estrin. Time Synchronization for Wireless Networks. Parallel and Distributed Processing Symposium., Proceedings 15th International 23-27 April 2001 Page(s):1965 - 1970 . [7] Jeremy Elson, Kay Romer. Wireless Sensor Networks:New regime for Time Synchronization. in ACM SIGCOMM Computer Communications Review. Vol 33, Jan 2003. [8] David L.Mills, Internet Time Synchronization: The Network Time Protocol. In Communications, IEEE Transactions on Volume 39, Issue 10, Oct. 1991 Page(s):1482 - 1493 [9] Kopetz,H. Wilhelm Ochsenreiter : Global Time in Distributed Real Time Systems. Technical report 15/89,Technische Universitat Wien, Wien Austria(1989). HP)BT.XEV [16*<T8-K/( ` Ot{h______` M <ff33̙3` +ffO=ff̙H7` fff3f̙` Tff33ff` 0Ky{kOz` )R{f` GiIfff̙fR` ̙|̙3f` 3ff~>?" dd@'?lFd@  nK'o`P( n?" dd@   @@``PT     o (`0p>>  ''(  ZB  c $D"`   6|  "M }   X Click to edit Master title style!!  (  0غ  "; `   RClick to edit Master text styles Second level Third level Fourth level Fifth level!    S    0 ž  "` `   \*     0l  "`    b*       0  "` `   b*     T     "`h2   s *"`h2   s *"h2   s *"@h2   s *"0`h2   s *"0h2  s *"0@h2  s *"`0h2  s *"`h2  s *"h2  s *"@h2  s *"`n2  0" h2  s *"``h2  s *"`h2  s *"@`n2  0"``h2  s *"`h2  s *"n2  0"@n2  0"`h2  s *" h2  s *"`@n2  0"@n2   0"@@h2 ! s *"`@n2 " 0"``n2 # 0"`h2 $ s *"`@h2 % s *"``h2 & s *" h2 ' s *"` H  0޽h ? 3ff~___PPT10i. s+D=' = @B + Network  -% (((  ZB  c $D"   6xg  "&wf   X Click to edit Master title style!!    0@3  "wQ    [#Click to edit Master subtitle style$$    0l"  "` `   \*     0T  "`    b*       04U  "` `   b*     T `]   "]p h2   s *"`]h2   s *"]h2   s *"]Eh2   s *"`h2   s *"h2  s *"Eh2  s *"yh2  s *"`B h2  s *"B h2  s *"EB h2  s *"yB n2  0",B h2  s *"`u  h2  s *"u  h2  s *"u E n2  0"yu  h2  s *"`(  h2  s *"(  n2  0"( E n2  0"y(  h2  s *",(  h2  s *"` Z n2  0" Z n2   0" EZ h2 ! s *"y Z n2 " 0"`  n2 # 0"  h2 $ s *" E h2 % s *"y  h2 & s *"A  h2 ' s *"yA  `B ( s *D"H  0޽h ? 3ff~___PPT10i. s+D=' = @B + 0 zr@ (    0r P   r P*    0Xr    r R*  d  c $ ?  r  0"r  0 r RClick to edit Master text styles Second level Third level Fourth level Fifth level!     S  6ȶ] _P  r P*    6\] _  ] R*  H  0޽h ? 3380___PPT10.|P `(    0  P     X*   0ȕ       Z*   6  _P    X*   6H  _    Z* H  0޽h ? 3380___PPT10.@3 $$ MONET 05  0(  x  c $r&wf r x  c $rwQ  r H  0޽h ? 33___PPT10i.H+D=' = @B +  0 0(   x  c $7]M }  ] x  c $p8]; ` ] H  0޽h ? 33___PPT10i.y#+D=' = @B +  @0(  x  c $T]M }  ] x  c $U]; ` ] H  0޽h ? 33___PPT10i.X}O+D=' = @B +}  P$(  r  S P]``]  ] r  S HA]p` ] H  0޽h ? 33___PPT10i.o+D=' = @B +    `(  x  c $] @  ] r  S ܣ] ] ~  0`p]pW   H  0޽h ? 33___PPT10i.0D+D=' = @B +}  $(  r  S L]P  ] r  S  ]P ] H  0޽h ? 3ff~___PPT10i.xuW+D=' = @B +  P:(  r  S ]M }  ]   S Z`P ] "h_H  0޽h ? 3ff~___PPT10i.=G+D=' = @B +    (  2  6a "`@  ;A02  6Z"`   Jnj,0BJ2  6Z"`P  Jni,0BJL @ c $q6L  c $q ) RR  s *@P @  60"Z"`PP @,$D 0 FReference packet0  6`&Z"` P ,$D 0 JExchange Information0  0*Z @  >0   <4.Z' z  >0   0A?"`p ,$D 0  0A?  ",$D 0  0A?@ ` ,$D 0  0A?p  f ,$D 0H  0޽h ??`   3ff~LD___PPT10$.P+d~.D' = @B DC' = @BA?%,( < +O%,( < +DA' =%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<* %(DA' =%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*%(D4' =%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(D4' =%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(D4' =%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(D4' =%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(+p+0+ Z ++0+Z +c  zr (  r  S +B#style.visibility<*%(D4' =%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(DA' =%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*%(DA' =%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*%(DA' =%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*%(DA' =%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<* %(D4' =%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(D4' =%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(DA' =%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*!%(DA' =%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*"%(+P+0+Z ++0+Z ++0+Z ++0+ Z ++0+!Z ++0+"Z +  (  r  S tZ P Z H  0޽h ? 3ff~___PPT10i.N+D=' = @B +}  $(    s *E "``   X  0A?`r H  0޽h ? 3ff~___PPT10i.`̘ +D=' = @B +}  $(  r  S Z`P  Z r  S Z@PF Z H  0޽h ? 3ff~___PPT10i. `4+D=' = @B +}  $(  r  S PZP]  Z r  S $Z  P  Z H  0޽h ? 3ff~___PPT10i."v@+D=' = @B +}  $(  r  S ZPP  Z r  S Z` Z H  0޽h ? 3ff~___PPT10i.$\s+D=' = @B +}  $(  r  S ZM }  Z r  S Z; ` Z H  0޽h ? 3ff~___PPT10i.0k+D=' = @B +     ! (  r  S Z P@ Z   c $ ,$D 0  c $  ,$D 0  c $@ ,$D 0  c $ ,$D 0  6X"`P 0@ ,$D 0 Dto&0H  66X"``,$D 0 Dtb&0H  6$ a12tb(t) + b120LHHH HHH HH"  6HLX"`   Dt1&0H"  6(QX"`P ` Dt2&0HH  0޽h ?O 3ff~NF___PPT10&.,1 +a~D' = @B D' = @BA?%,( < +O%,( < +D4' =%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(D4' =%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(DA' =%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*%(D4' =%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(DA' =%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<* %(D4' =%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(DA' =%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<* %(DA' =%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<* %(++0+X ++0+ X ++0+ X ++0+ X +  0 .(  "  s $X0e0eA #" 0e` X <   <Xp  {a12 and b12 can be bounded by, @ 0HHf  0A ?"`` p X  0A? Tf  0A ?"`< p  <tX  )True parameters a12 and b12 estimated as,@*0HH  <X @  <where -  0 H  0޽h ? 3ff~___PPT10i./ϑk+D=' = @B +  @((  r  S 4X `P r f  0A ?"`R   <X"` : XTo decrease the overhead of the algorithm, probes can be piggybacked on data messages. Y0YH  0޽h ? 3ff~___PPT10i.1.g9+D=' = @B +/  F>P(  r  S xXP]  X r  S X;  X   < }XJ  >0 H  0޽h ? 3ff~___PPT10i.3PM!+D=' = @B +  `(  r  S 0X  X r  S X  X X  0A ?   6Xp ` ~where m(X,Y) = slope of line joining X and Y Experiments showed that 40 data points were enough to obtain the optimum result.0H  0޽h ? 3ff~___PPT10i.50C0+D=' = @B +  *"(    TA ?   X  <pX@0: z$Aj can be discarded and keep Ai , Ak %0%Ff"H  0޽h ? 3ff~80___PPT10.Ps  p (  r  S Tr-  r r  S r@ r X  0A?  RX  0A ?pXf  0A?"` PXX  0A?  f  0A?"`  E  <X  >0   <X   m9If u sends its bounds to s, then s can compute the bounds:0:  <DX g  >0   <LX"`` G  <where -  0   <|X OUse the synchronization transitivity to obtain synchronization over the networkP0PH  0޽h ? 3ff~___PPT10i.9q2+D=' = @B +c  zr (  r  S X X X  0A?0nH  0޽h ? 3ff~___PPT10i.:pL+D=' = @B +   g(  r  S xX   X   08zX``G .Bounds for a12 and "a12J0 H@HX  0A?    <X    ;samples0  <,{`  ]Lower and upper bounds on a12$0HX  0A?   <  ;samples0  Ht  l R"a12.0@HH  0޽h ? 3ff~___PPT10i.<lj+D=' = @B +   (  r  S    X  0A?`$ df  0A?"``   < pW  ;samples0  B w ;samples0  H즪`D fLower and upper bounds on b12 ,0H  <h  1 w  R"b12.0@HH  0޽h ? 3ff~___PPT10i.= hq+D=' = @B +}  $(  r  S  P   r  S 0@  H  0޽h ? 3ff~___PPT10i.r>+D=' = @B +     (  r  S ƪ]   r  S L˪   2  6̪"`0 @0 7j02  6Ъ"` p 7k0  6Ӫ"` P `  >Packet 1 0   6ت"`  >Packet 2 0 L  c $ P L  c $ p L  @ c $ 0L  c $ 0  <ު   >0 X  0A?p Pl X  0A?  X  0A?@6X  0A?R @ s *  <  GTransmission time D0H  0޽h ?_      3ff~___PPT10i.s >+D=' = @B +}  $(  r  S (M }   r  S ; `  H  0޽h ? 3ff~___PPT10i.'+D=' = @B +}  $(  r  S G M }   r  S H ; `   H  0޽h ? 3ff~___PPT10i.w`K]+D=' = @B +}  $(  r  S S M }   r  S $X ; `   H  0޽h ? 3ff~___PPT10i.{KS+D=' = @B +}  $(  r  S ,c F   r  S g     H  0޽h ? 3ff~___PPT10i.0+D=' = @B +$  0$(  r  S M }   r  S y; `  H  0޽h ? 3ff~80___PPT10.V}   $(  r  S z M }   r  S { ; `   H  0޽h ? 3ff~___PPT10i.+f+D=' = @B +  0 P (   X   C    r   S +] 0  ]  H   0޽h ? 3380___PPT10.rp ƥWmpja~= n,269@IlK4RXZgJj" @elqTot=ev) Oh+'0 hp    $,Time SynchronizationP anisha menonizaNetworkAlhussein Abouzeidn65uMicrosoft PowerPointP@P^@\^@lG\g  &F  --$--'--% t `--'@Arial-. 2 MONET 05 ."Systempi-3f--F$!>G<G:H8I6J5L4N3P3R3T4V5X6Z8[:\<]>]@]B\D[FZGXHVITIRIPHNGLFJDIBH@G>G--'--F$!]G[GYHWIUJTLSNRPRRRTSVTXUZW[Y\[]]]_]a\c[eZfXgVhThRhPgNfLeJcIaH_G]G--'--F$!|GzGxHvItJsLrNqPqRqTrVsXtZv[x\z]|]~]\[ZXVTRPNLJIH~G|G--'--F$!>f<f:g8h6i5k4m3o3q3s4u5w6y8z:{<|>|@|B{DzFyGwHuIsIqIoHmGkFiDhBg@f>f--'--F$!]f[fYgWhUiTkSmRoRqRsSuTwUyWzY{[|]|_|a{czeyfwguhshqhogmfkeichag_f]f--'--F$!|fzfxgvhtiskrmqoqqqsruswtyvzx{z|||~|{zywusqomkihg~f|f--'f--F$!ffghikmoqsuwyz{|||{zywusqomkihgff--'3f--F$!><:86543334568:<>@BDFGHIIIHGFDB@>--'--F$!][YWUTSRRRSTUWY[]_acefghhhgfeca_]--'f--F$!|zxvtsrqqqrstvxz|~~|--'--F$!--'--F$!--'3f--F$!><:86543334568:<>@BDFGHIIIHGFDB@>--'f--F$!][YWUTSRRRSTUWY[]_acefghhhgfeca_]--'--F$!|zxvtsrqqqrstvxz|~~|--'--F$!--'f--F$!><:86543334568:<>@BDFGHIIIHGFDB@>--'--F$!][YWUTSRRRSTUWY[]_acefghhhgfeca_]--'--F$!|zxvtsrqqqrstvxz|~~|--'--F$!--'--F$!--'f--F$!><:86543334568:<>@BDFGHIIIHGFDB@>--'--F$!][YWUTSRRRSTUWY[]_acefghhhgfeca_]--'--F$!|zxvtsrqqqrstvxz|~~|--'--F$!--'--F$!><:86543 3 34568:<>@BDFGHII I HGFDB@>--'--F$!][YWUTSR R RSTUWY[]_acefghh h gfeca_]--'--F$!|zxvtsrq q qrstvxz|~  ~|--'--F$!    --'--F$!] [ Y!W"U#T%S'R)R+R-S/T1U3W4Y5[6]6_6a5c4e3f1g/h-h+h)g'f%e#c"a!_ ] --'--F$!  !"#%')+-/13456665431/-+)'%#"!  --'--%!44--'@Arial-. f%2 HTime Synchronization(<%.")%)))"%)).-@Arial-. 02 ~In Wireless Sensor Networks  ,    ! !.-@Arial-. 2  Anisha Menon  &.-՜.+,0     On-screen Showerpi"O &ArialTimes New Roman WingdingsNetworkTime Synchronization+The need for physical time synchronization$Characterizing Time Synchronization Constraints of existing methodsDesign PrinciplesSources of Time Sync Error[9]'REFERENCE BROADCAST SYNCHRONIZATION[3]Slide 8Slide 9"Multiple Hop Time Synchronization Slide 11 Slide 12Advantages of RBSDisadvantages of RBS)TINY/MINI TIME SYNCHRONIZATION SCHEME[1]Data Collection Algorithm Slide 17 Slide 18 Slide 19 TINY SYNC MINI SYNC Slide 22 Synchronizing an Entire Network Slide 24Experimental Result Slide 260LIGHTWEIGHT TREE BASED SYNCHRONIATION SCHEME[5]Pair-Wise SynchronizationMulti-Hop Synchronization&Centralized Multi-Hop SynchronizationDistributed Multi-Hop LTSDisadvantages of LTS CONCLUSION References  Fonts UsedDesign Template Slide Titles"*_v Alhussein AbouzeidAlhussein Abouzeid  !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~      !"#$%&'()*+,-./0123456789:;<=>?@ABCDEGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~      !(Root EntrydO)PicturesCurrent UserSummaryInformation(PowerPoint Document(FvDocumentSummaryInformation8