ftypavifavifmif1miaf+meta!hdlrpictpitm4ilocD@OuwJ88iinfinfeav01infeExifjiprpKipcocolrnclx av1C ispepixiipmairefcdscv;mdat &.?wD2D,qD@h Z\K*r7P?ϏEl=h;AlCN:O- 1[|Xhn@GqOw: @ \r2HR,Zi1;\qjDp7[Zs t"IAI@"C01psy>"j/Ǽ An5x,Q:oYU[@߻L<~t\E !8Fgnv=:AU*\h^}_ /  4]XBN&$Ig9K]p8?xj!H)Ӵbnr;nM|BYzuXoG#\AA2K6E(:D?9n2pbc%s !XuA3KN:]jQp92F%wfO䀮h&'Fz#X sl)%ZPWOK|, %✺ܒ!ձ>TVM}ˮ |va%1!,3]xMkN,mh,Ǥ*D2S2/Nؿ%`|B$nҐD-(&qBOPSoNsKz[S8|}Q>]wk ڊ**$ڳaE&Cbk!w׻ݹT M%~hQT̮>~"18l% ~ĩ:7Ky_ znl%&~QT[ܰD9ڔjAR(3 {<\|rWR^D0CxN<ˮ߂Z@y&`bKwԢz 0iS)UyFruJBulkH;q\K9 :胤3e3):]E}Ȧ}Q|BDR#FW[,()U.$>tzWU㫌֦(uvz)qxHbxUef?Zsq* ZܶmAAU%SHQx@暿+K<5bIW[}x?SP2xȵݏ Xx%ݩrpTGKj,/",U~2PR$Ĥ8eClQk1v0=flPQp񅯡C~oTǰfU9V5+k2(~z<\=UaD`abifꎩ\]=yd| QLRdI5ŧy[OsK[GH+@Iljl2bdNmFQ嘥fPʯ4̄`Yh.N3׉5+q@&,Q$VE|.D "NvZWecnxn2 ^֟6 Ϡf#Y`)7IF܉#pG&QJllѐ:pg"I `H0х6c!e2XL~LhT ),I[fQciqP@%{飴2I*脾fY}OAe>7qO:Wg$UD:;*Ԋ#V"??92x\NYA"~:#BհHZPun~2Itkz.'3BY(=(r Tw x kƄ)NVâ|W﬉TNuG.)ߚ–=K; k}4eCϦ4ȪP k5Vo_Dr aP09C]8GL؎*zw^6TTujVZћChȣZqGv3f?@ZN[v'$& I2? F`A&[o/-+ T1;'uDfTDB6Srgmfn+TKmpwwpx+~NܣjR蕼nMff|1pdR ‰y#ILMC َ 87380xX޺ UgV.,J+]9X[Y.O#_`>{$/'Tj<1ʃ  NYq!g,6?j`6 TFӅTEZںzA3[ lnǗk qiY h͝]4vƋq9E՝KSOJ4t _.zYʒ_,Ul|&3cK}\ǔl`_)Dxzi`Z$G8S{)js_" a%6_Vnǭ?ӄ# E_M6 I 8[Vv;P(oe39>z8rszi}@Umzc$Dj,km@Ci^@, r8{丫 %ˏHPZrg:2nf<^aWC7cB s,d]hp WtZy?+~+F +=> DƑŨ¤fW!ܖ> y*GᷢbRDT%]bJ\V+Rd5(ǖ;>d y+XT?(_D}hYĥ}x8tg' 9NGy{:o qWu:f #* >\xIjJ; 0Xޫ2]$Ҭ֥<5?<臆cÉ~oBXr @7[bOrs.Dj {U+US? кg׻>í;T M# ctQ=WH(U)?).ԇ)wEl>Q_4%mຓ%`Ҹ>ZMU@Bw9́7G6ɂX'j!msϳ r`wם*uyVlFp8l?F Jbh{&do$fSdpO)NQ޶zC_NRw;KPuә.Eoh; @\شEAu("ǗC|5b3˄Y W)d⫝̸31WeM e([9b#f?3qVQA]hDg,B5Uwx[YLC+lQg K.%>{~z$j)9Xjl%xdcpjH['vH{-2J*pv4:g  ~-[1}xJdz?dKLNY ܸ.ф(oW/pšY(C%Rj!$t?j|nK!PB`* n]Dd|OŅS%=y]4d"0t#%M?؞\rjxr:{gIyZ`U⌭_<n ~:g!S9!Cn|:c=#;dkӳ[]S\Mt@S"uT=0|0d׿jr6CՑQNc$j#|FU0uPi&!C5V&y,8t3Rbd,<]%Po-LZB:WGlzhV!!<"Ü*% $oMkm[z=h\bUK f,(*p.`;锖,ilRdd_N, U <`kuoTO 6S67T+D*Y:>`PV64d z:`?=[sP^ 6&hWYY@͟(1|G'kk#&1$t}Pɥjy;M?#**}(@iw&~t}&aw3=1'\Gc|a_يӑ%lie#F8q?O.M|܉3B +Dt0D zc*m3H?j޸tQtJ/khHOqb:EzT s"ҔGsiŽLq{v|FWݴI04nc,zHwkYyR}m8oݝn.c]sY(k]mP—ÝY@k2 Tz@KN,S}5,)`Vfxeo8HxImG oۻ(z}F:!n۷ BbԱb3XϦe)';O= eĝ2Ʉu#?CRM3Fَmn7>:Fq`y@+5Zz+'%1WN+rtS%8ލܬ1HƘQ7rZ0uv>%5أǨ=Zfp1l|LleIjllvY `O@gC): vE170?.ݎd`2kFAel)pMǴɷA<ۨaA*7S Q25=n%JZ[œWfqp^/]r8ֱƼGtZ{$z/IY^F!u (vň+qZ󫰶WRP澜[n6/䊯}B)=ɖRR6}V8\(VWפuh~-t3vLLٗcB_p'ޞߘ=ߠSӹgjK (RK f#(]Ӻmߝ䇤q&c@S.fb0T>fݱڥ[Do:mH ̤m"E.fϼ]œc%7342)a2Gm_qܜG /JSu25ۇ;>>d4iT1J;SнӛI^7p5T9V _FEs[Bi2W0$y6ab$kT?O2MOJ0D)*IUL=w~&LkO}7PE%im|$zƺj'@a]zqмyamPQD E:-)#ˋ)6-ww>t#1{205~D0~3x!VMpG ]=r9װ8$E@i%= ToC\;5YkcX[q7 BȻóYķ/zTфV|% argYFO r )C_HTUe gNL3->#gu4?/2h{'дcY29ν/]Hl ˆ !370b8b4]X,yhNIe>s?F3hϗ>sx_o4Ҽ0LE r 7CqO۝gQ\[ySm}`;k@9YH`3<P*k> } b yӐםxB l,¹L% k:^~}؛qs.Nƿ*64Qn,uOCx QJ{$7 azNޙ%u&o-)8AYr8XKT7,b ӌhkL^P A`'QWf_`M0"lB(6l2E.^S5K FvbFhlD_4GT223/V3}^~̨?DPeE5SaېΔ[odw3pEPB8.:":/Y0$B.d)Nfo"[29:iކ!Hsdge GL֒/!\XмX21Z=t;x8DF1{4 ϫ&؁^n#mMةk%Bf0?h];O1a܎*/ᯆmՊhddwh3!G$E?&HhVV[Ә{U4h>AEWEː*%jƮs)^Zh}RdN (e-zmxLzUX&jKAg?>NfSGlYd\kx<TY<e=,] h#bTn joPe( ˑC=l&T#uX: *麌Uݥcz+Ly8Z+U~Nաݜ<8U5=(!Ml#c~!V> CD`0c7żj1hbHpW&/(^fiG*S8av×#%Ů/ `; Ga% x>rb<+ UVk|Nd>Nɖcpw\9ޱB0*3^Z>b_V@ue@v F Od0 ˒t cXr).gI-'WceL0U~__#HZp%"yǘb1oz"Z!IP~WCvjō]kϽpB(r儭۸i̷ 512 ٌ s]kP)A\@^sҴFL^ehUjn vie_P{E$lxrz7WMx2)گ;$8p5TBVf& 7Tc`4vErx`rXXѧ#%/|3z޾kC^ߧeRQ;/:usVC0 ,|b nΑ:$^7$4 {.1\|zFj#*VJ}w= "vf݆zGͺZٗ~x({96V<}Րy}:(TlȝUic" )!Sm ]o(h^lp $s2lRQQ$1.T؟ldBɬqԧ`VxMDb/Ga9r[U:XXS4M(m-TVGyoEM/^45xr|N 9]֑x6EC|M+uMXs޸iP q46z\<\8#NhSk'jO/ϴzm5U fg@d6bk Vd)MwYxt3FpJDCq$ٍțyW P !JHb M_(n/\E`$q[m/. s_q.S|nfKR' opjANF8юQ['}z&YMBh E&YUDYO?5mɅ[c Q\MhvIenεٽ@b0|ze!ګZx~|g.0(=!6#W4P'! 5 # 6!Gl> QkD朧<\-&5e]6\ULi"+"0%=%㾵QÆxU)l66.-u&$]B'U3%M{.P"dALik\- 'w)r`y -s6ɉ 왆KK_hUL %*F+8ns|PZOT|]:<Ʀr/Mdjb3N|me Y|%R/JL7ǡ0VW %[g6v|ᅰl_9^<^VFYUUڭEvǥ6nyH7Yrc ]%nIGBKzWDUQF E5G:"T*ПSך-Ta B1d8mҊ-1_䔾9ikHp2y"X7~IWI-@SVرuաf@3?oɪnH[d)́#4nXȒԒngw(6x$! )ʀIm3V$_0k~! Bo \E*|eM\EinuBB VN3 Ḋqch|_>-,1ky0od]rGE&ΛORVfؚBp*eytiIޛB;ը[ch^v`x6EC~Ȉp;POD}_ ̪wd,8 &(cK0/˝[. '@ۃ%[ca"lL?cc$] uD:3c7zqU4$]C8Gy˂j-'1 PbXCGL~\0| K94MF$|Y5w߃e1a:{ggVDPO1<.Ì %8l(N,cտw7Nw1yp”egW+řN j "X<ֲtke[WwFlDwItt/ K0ʝui9̐g)gh#b 9CX4ۖKm^1%=NbNW"V<ªgm©mG|?•4,*J$UjhbzYJ VV?eYf*Fn )oFE; }y<I\њaLk#2LKqVe|QA}N S O|هzIeIgw4>S7d2qmM5!0޾ 9Kn@̜ʮq};oWX`[)hc.~6~%20e poyw}]LH%#84S/o_[ h_ dS1w1K!t5ơ>/˾ỎДar>.s@Obbس)Rn@tYze3U^4_r9;v3 A:-ZgKIdPd|ː P-#gO2N~qB$9ԡ5P`Xk4tS]am\[C-H/dY0]s6}DhX!]˜Oa]ڀ~ALu.[$6:"f(?zI;ZH>Rꕐ?+cM1F[0٩X8W*54K RdZCA܄S:Qw;˼/8wE%S3'2U* )4^Kxy2fR$"hdtw<,bS0BD٥d[~WKk@DGbuKȋaIQeTT9*mCn;)]"$Y, >xVQ`' S0Tbsilc8ZN:*N,|TU,a#ˣ`@L&2N)08me 0r-LYiUn*z@5˱)Qz$ /~g1K4_Xaփf^lSYy]H9Ű] q}PYѥ8Ik[Ǩ_?-=u@mDvIsG:[vAxJ`^ r29hŵ|$Re!D >:~C)*CSͿ¦x\׽+~QBM_ &)IbKMVGzȼFM8(psu5T4|ٸ"}u5 |xܰN}|Gԃ2S\X7yKNS{$L;)LG0gH'XbH%VP$~r@ق R6w.T历쐝qf)%Dzos;2kAƷŠYchhgL|YeT݄j0/gu5. C5#25jkhedߥxD X~ Ti,viyc+.LA~F%ˋ*AЀϾm@8DC~#wT̘q9gCYc.cXrN╲XIiܐAq3?%%/h/=E[#r;>Ӊ;˽rokuefVFsڳSɿ>4(jh(5F˭|.@:xA{\CADE9jf]L9@UշK#?::q9B_,ug~ ;:8:0͢tȓހLԪ,&ז^_ {?Zt?ɐCq&3؟ؾjG]>vp)R9bπ'ra6ڼtW9ʴ7PϘK'x%w\j-T5sv͜SuVAmʪ8-] ' ^jv(ujmAr $v^wZ˴/BX1#gIZCBL_.+23Tϴh#.@Q ޲׸E!itI}pSJ8L@=P*p!LyeV<ԴL#)Sc5;hRytC`i^QMS w( =Bݸ S> KCA=mB~Efxjb Be%nz'&Ɓv{me=ƇN6[>ZHΘVC:'u~$d UV-eD;=.c!kNqDXPo,ޤΛnmSmS]MOgEZaHڙ~TaV'=[#x!R:a .A2B>aƘg34LeOGe ?E"!Ik2!rxiC9]Uc8 ՓOh]HJ C[]݈H~}|l+Lwezfqapԩ]!;B91 QktuDZ-f_3P+NFPh\ټ1,Kls9|#{x7vO/ X#@2zi\#;b9Jh}`F L5V|Zx.x ,^}ts''*wϴw.3wa֝ȴ7~oJN4oO˒]sq`搬}Cq@JYk>]{Ai}^}hiVg'c+f+т?mIHcw5,Ho"TBH&7^ BKD"Q*pF_k,(nvϳoN\2z9:Y5NI/9.ADsZ)fӡv'ß5T!mP[ǧA ܚP~UfE03IA)~iӵKmr%VP_0tJZ‡(&}%` "~g>aM PY{so84^e`i'w"΂xz%u[ϾΫBbX?ע^'r5Tj>~Sk!M̿&#JxV<+FHpFIC"E36Q[K԰'0*ώxe}{7+"lsJ1-mL(?z:Bپ!, Fҫ N41nI\o*boRlrL P* ϛ YH?Ī (sEhL{B- i5}N{vGkQ=5QSWBD3ȿ~@ޖ3v(=nMp5&_cz/\=Rt4ۍ٦ʣ7d%߷`)PxEq(0a\7ADALmqYx&no'4Ckl&ޯ)Hh#>9@vnbN8n{ Cx yФwW~r"f{DZQ}F5kē6nvaI| ̼U$C&zSWć:,g힊UH+2NΧTeSm%X3 918q2\N]̺s),ΡißTGZo+#kuCܫ@f5A0S;x$>ʫѣ4}{$1c5~}]{X^$<$-i@N ^3zRp"s=f͜BR~-Xx!QIhNn*ICԦ+k'iIKlWm[|׳lLǴ\  jcowmNLݷlm:4EOSf; Q0tk/Yim6Cv66΀IHa9 7^Z%Y[0^2sFQ~7JRjˎ-,91'm0*;g##];._k^c&ך%Ztjq=Y~y KhK$Ty.1["K/.ޙ#~>HAl|ɥ^4k"* ßO|#t$F?UGbTN +Oj]&Wޡ( zyC8W{w*qS*je*mHoͲqRAI&W: wA)&qUpaI4$UX8ӥ72 Щ3룯CItx?{ҭl6Qr4|3 >d"zyao-4ny/Q1lt/$S?jd)"O/H돀3'8:0v&ʀr#f ggXhDԫ1*!*>&QM~ w")6gۈMn_0HBQ%^hn8MmÕ(wN]TDm{f(Dk;'^P"\N| {mk dLPrA>| u&ҵi.|=/" TfssryqeU]Ҝq`kS+1ZZcG? =O ];.DXTQw;|L-_Xh$w*?Pj})i{5/(#u8]8$dc*H1}uWK_1rlXodL\>FtICnrSC& N6G[i9':X1Sx$~%I;jb$;=c+JQ n)fYp8U?&VمZQL[Y^#Dۇ~l y1@P5>6oB UZ/ "JDvGŐR\5yS1X~0\Kl5৙_yU%֭ym AƵM _*'gmL 1> ta畡$,}P}HɎ,]jW;겈&)Ū, %_%N;c.|M%$8 ߹=W^MA:煔:2c!X*#* bnU9cZkkB*]u{i3  u,U8 uv5WPwEe'4)"@osuρi&e`#"< BǙR4-wQoqr- ,Pq_GGlO8('!btLa7"]&]D)}1.V?\Ai1#`[{uQV*\t;׶@pSܸ&+B'oFq9BrH>R!kn`6(Ff-DФfsژϐ3/U?al\.>cRC:R\N7/`",ɟ80{Qw$oIa.ejGK! ;9^b?@UF}0Gh5MصXaVfW!|a _uGzc4m6+GBl~=1?6*E?ܓKa$ʻ_aeI6nRa܀L5 Vށwz!$ϩ@`n+8x/Ìi'%6zR##>pgL[J`ɝZG;;`+qv}:ڏ/ }uhն4P8Tܤ*W*(P 6HԌeݷAiBiH}E' EN '` Cf Ox`'tw{9NRO|ˋlJ^A,,s:sԃ ,m4ED7`ΰju񙜼-LsZ Wrj ND,w H‡JM{c_Sp!`"|Lnvp;R[rL'87(Յ(:b7נz/N}42;eYJ?i*ԯp8-MUG7fn7'8'9EVC$7G igX*3;KHO4GB-" ٍOg4y TE[1gBQX/9qND]1"蝲~ h[j&m?Ţ4oEe %!ati8bō6P;Wa. ޴\/c(fMXChj5˂UyjFP[h麱>&-;$j2߃FGAYVY6Nu.k,ADSa(+Vo e+ $Yg4hJzʘYOL[X[%Q>bQ(1UyAW]S,sKBVaBkx^H^=r-ƊE@ <@]%у:N-g4HGD 1MfTϿ }LOʾ puv0n~ZU!bc0.t[:Q4lVE|4L -73سpGAN:Dr& ĢeS?ޱ٨3f:?6ȈW[; 5u(3])M9!D{M48j,U##n}Fv+Z0zF]O@9!ÙErmu;| zO?G?zZ"d+@7.kDOKۙ9jABް*Wy^PZO*%n.8w}ln1M{{Z8Ͱtqr50uCܜ$=`6W :򑂲;㰟´ {KSA]LPgT΅/>RMZ*ԑ H} ;yePFȦnuI#L(0z"ڵx w}\pʃ (%7*Il-6"4~vz9Sz]XO)x\WG[ !OiuK^@i0ң )IUg\vӏ2`:AMS qfSX1fs%^XlO?Bh |&8M:M⋽}~`=eŽ75zJ,LyYD CRχ=Px?K(PVs8]TC;aɉ ]8G\#ST;9Cx`k?&|HSat#W|\ݒ_ cYK/`=fEW[֒T^ܾL,pBu:)epurlCIٔZc:H`yTnLٴ: v(;`X d\;PpƝ$ƺCYa:P-HЕ_K˨)I-${ʚ1 $y*8;ʦLv\I$ 65C;`߻`Ia0 V xﲺ V,ESV2XT< 3.5g/- 2~1sP`(+)$At؆a9>2 ^%[Q 戁1Li'TaK-p}x࿖3gU&3=M47+0Τ2WKuP&8^&d|ؚ>"ÃD!ߖV? TCQӷdŔωj(N5uHa$5:?4$xWxu)|9ψXZKǒXvf\NUMk4ޛxl".݃t`}ݰsq+gG y(&[X%N~oƓr 3\*aYith.`\DqDY,ew!ߜ$ ݜݯʃ<[M*| G$5 ͩY$ [hOҜmHa p vv (eV! 5,J/! bwOwjAP\(b =׫˓ni }&rͶ@i\m?nm;h?0𮕢|<7 $T+ '% gڜqh}C*zq隙Gn_5ytCi'>S >Sah1g[CRS#MnFI V4J)+lk'#BGfv}R+3_p, ɠOaa"G16b PND),ڛ86yhin,PRUrSD w&QɪҗXz~wS@,&;IK%U[y,ɭm]:Y=7|r%># iO ]B6mV!kWz Q:,a7 :z~|M,,訷mr 2iq O/, 3UnSJYifD-:692&o"|7ÚB<}nė]pf7f,Jm<`LNxЦMeuy6.I `>$Ij2#!ëbP02Q`9iK/73PI>S]9ꚤWbeC'= BSQv8r%qrJǖ!??#ʷ+_8}8+zѓȨ]V '&otgz`*W M5xYeTrCka<_*빧=bc\Z2|:~~_v`sibd{'}IS_ȋ_8BR)̦}?-krk̎ q,g`uq!~N!֨Njuqq6~AE5rBFv"y =So6,Tg7[#?eDC+Z~U\NDӼvGT3♥WEBKJbD;@ @RFŎ/lμiyrS}LUgMuZֽ8%Z)T萿OtV5ߩpиu%O?=ے:YY2w VV롫T3n 2v)o^ǯ-6gxxUPp|fDhPNE,֛ ?>K//zs"DK&GLlߓ4nèw<S/&L{n%CFnh<0dJK+3-fʾf=Ù0dRA8E:Z'I|א41i331ETQKtMx3A|؃{sߟjGrc^i[MJC;db8<"~eshXFbרwHGrSV9fA[g۩L17X̯JKMy9) a5\q2l/`CCddvtf`Uu\ W-с`I?38dQ@JI*[4sc*B;NTK>E֕FzZDm-^sv|; )ۭsDe_G*cCpy蜝!͕+ C~nL]i4dm\a3lV[~q!3aWUU/Zf}9Ќ_ߜ~]MoM5Ir5B{Y>>LtZ"5z+L (~1O ƵWU͆qR}pKO2!dGU,E*K/ш|xL. e y!bgOnO+#<~[qʖ:`6[[i/t8<5ǘq5s+UHrau.Sb,BC$&>ZJ1 d+ !d!M0q1ټBrZGQ!M%ɬ=p&fK xs9Xجd4uLzW[58?c/ꙷyrStGI=;U?Z tn|g v[@8:q`5Xfwq̻?8u!4/݁Oų0@̦5en =*Wp8K⹀(F3Tq>ϖS45a.M*bZD֎(đ,mV4֫gCb?V*PVf_AI-e9誸Q,$ GU[8fESr}4bW!@i8t[U)U+n~Z# ̊PӾɔ͓oiDktyz:Cı-؊zr4;=Ao (':|-W۳p7K,%q!cx"NEq|'uL'on{S}(f&e^Zy#+?yu>A V!rqiC!u Rl.]mITOAdǂYeB\x[ǜK:/{>3 Sk':R"CpDoF0Q.1r8/ax\:)$B1eډٓ+Q Sqpӿ|z$45y~OwD&nd[hn}i+#m-٠R:gm{X=u ?`7^uW~!-ʙs(3ܷj8o u'IJ "VTSj%#Љr~H+G)RQM*?{rrpò(UP ˛ ka5tZ` *=5qC^Y:v+љ`v\ r ЛCXi~v,;SGv%n]f!EۥCQU@d6sǂ#SC98@]޽kA6vؗS(–gnRWڕL2є7[uԖ&iq$/L, =W[zF/ڻDBr0Q5+dT̷2?:3(ls{?2 'Ӳs{csWG|7HCJ;2BZ mtd߁kCfub"%"̡%4&0άF7Kn.6=]v}3KQ q%W<@; [c/?O-ޜ8{Q3#qGn~XXкfxR`c-"_*EW(b6A8hT"rtտFM*n[&hX%=E!έS&T?mɍY_mڽTmM0'k}p 蚘/N:5cS=ھRe1V:: +<@t%\oU5 "2W9J ]2l7 ߟsTxx|/>4?aF_LKvE W}D$F I 'm( !),I:0 "j| έL7)"JF L WA)!kB\罾GƲ|ɸv ph嵌`z";>hrDRKr.Hz'?խ`,5Yy|1yOyT5X6iz'0qt߰q|>0ef(6*4_`MK^(/v~ '=ؖd'\̯DaRSn~΍1/ƙFEb&K7'\{dSU/JN\g[Q՗Yv7#5EP`1{@у; уiHfd e_,y#_tm Vm_R;O[M_Uߙ| I : f=`7 1E`?Ӽ֯zlZi Ā@'r /kaoLxRO}uA;9`,0=3ƞÁIǜXJ~[7'lNO&[cxo&!jQ6y\ v^PقbhcOf~2nwlm|fGX :>>⹰eV;qc@f1x%F+e/Ra`rD`~Q(@ jde'OT<(z\a5d\#_3  ;&*,3y~`K!; 1lB@RLtte! 8s uydas"RTHZ2Pg( bodP=I_WI^›j jZEh]' g*?7uIz|H?J\It7fy#jü6}3h~~eӫ&ڰ ּ8)}dW7_s:$^\41ٙX6٬ܵ=IPmUWYÓU$[WV>μpk]vBٟ?Wѻ8ы,FY+诔||7!,[0|1Ni(WɚCǨ=IRcI+1];5\!&,ȲjD'8/}-ϒ 4a