Warning: Declaration of renderer_plugin_dw2pdf::header($text, $level, $pos) should be compatible with Doku_Renderer_xhtml::header($text, $level, $pos, $returnonly = false) in /var/www/html/lib/plugins/dw2pdf/renderer.php on line 66
Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/lib/plugins/dw2pdf/renderer.php:15) in /var/www/html/lib/plugins/dw2pdf/action.php on line 536
Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/lib/plugins/dw2pdf/renderer.php:15) in /var/www/html/lib/plugins/dw2pdf/action.php on line 537
Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/lib/plugins/dw2pdf/renderer.php:15) in /var/www/html/lib/plugins/dw2pdf/action.php on line 538
Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/lib/plugins/dw2pdf/renderer.php:15) in /var/www/html/inc/httputils.php on line 32
Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/lib/plugins/dw2pdf/renderer.php:15) in /var/www/html/inc/httputils.php on line 33
Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/lib/plugins/dw2pdf/renderer.php:15) in /var/www/html/lib/plugins/dw2pdf/action.php on line 545
Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/lib/plugins/dw2pdf/renderer.php:15) in /var/www/html/lib/plugins/dw2pdf/action.php on line 551
Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/lib/plugins/dw2pdf/renderer.php:15) in /var/www/html/inc/httputils.php on line 107
Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/lib/plugins/dw2pdf/renderer.php:15) in /var/www/html/inc/httputils.php on line 140
Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/lib/plugins/dw2pdf/renderer.php:15) in /var/www/html/inc/httputils.php on line 161
%PDF-1.4
%
%PDF-1.4
%
%PDF-1.4
%
%PDF-1.4
%
%PDF-1.4
%
3 0 obj
<>
/Annots [ 5 0 R 6 0 R ]
/Contents 4 0 R>>
endobj
4 0 obj
<>
stream
xYKoG> Ѩm X.6=ı ֱAS"M#/U<(Rd̰j~ըߔVʧƤ1M[Tmo{x&CDjSm\8MFy߉&L>kb{`-0i1qiEjRTĉth|j10`עictG3XG8
9ۊN"^!ҷċNw
"M{/Pڜ Md2N!\8 Ap='gj]>Ts?VjժZZ=
~O).)fKem۸8pEmՏ0L$"6۩$H{;t6zOb ۺĽ3LH /<[Ll ҳG }W'~RGUog9M~]niwpG+X@1$X 0|3HFxXDj$/P"T1#D% 4LcDL%զ=Zv9s-6/2r}Ic Q~;}
?O縖ܖt Hv3ܻA*![V%Km At4عhf-YoErkunww̦e/ 9?ե$b;LU`ںD_fKyXŪoM`$x/:_/[ Әr~c'S's*] s"o팝\ytB81A|5Gqy`@`,|U}B0aU2
b8Ōf?!&y?}@(6{DWvN5pK SkGb "o^*&K;u 5GѶg-T-
K`S X%%iH'0,} C
6 u_A\(5\yo郁>0c|֨;d&Q($$/ RE>$_:$踟sz 6KBۦO {~fDz灖
> >>
endobj
6 0 obj
<> >>
endobj
1 0 obj
<>
endobj
7 0 obj
<>
endobj
8 0 obj
<>
endobj
9 0 obj
<>
endobj
10 0 obj
<>
stream
/CIDInit /ProcSet findresource begin
12 dict begin
begincmap
/CIDSystemInfo
<> def
/CMapName /Adobe-Identity-UCS def
/CMapType 2 def
1 begincodespacerange
<0000>
endcodespacerange
1 beginbfrange
<0000> <0000>
endbfrange
endcmap
CMapName currentdict /CMap defineresource pop
end
end
endstream
endobj
11 0 obj
<>
endobj
12 0 obj
< >>
/FontFile2 14 0 R
>>
endobj
13 0 obj
<>
stream
xV Qfd%{dT*l-Ȉ_sڥ}@;t:NtSn3msBhJWnt[Nw^{&lGM7l{z^4^7]B-J V[K}[}G?fVn w
endstream
endobj
14 0 obj
<>
stream
x| \TU9;.zqIe]cet`apfQQqqGKSS+5-K+Ӟz6 35giwν3 d=}gs=\0B4#+76r=\}O:p
<7rG~BHHEŖjBC_UW / q<U}~N0O` Zˀ;0>H m
$Z|^t ErUol/ì-a^
$@ Ob _A5h
L]tx1
$dYY Jf,WqoCf"<$a2z"8>='˧ s*/z[*{@xop:.OA{?pYz-ޡ!y }kP&
T]H"0 Qic &oL
QcҤcCH11*
=6{|.EEH܉dO
[
,~O5֓_І, >lozGs
6Mo^m
0P!,T#DK"SSku#%33̐hzIz vzN G`N"a[ `2"I p~ED /rc=v7aib99XM𝄃+'ic Ԇoāy'r4qSvOY- xƻ&MȘ4dN9qRCOYP+:{u 6 ز͛:#mtON̙kΜ&ܼ/M3/?{-o>P:V821qՁpErf;xPd|xXd %?ge^9u`[>zu+WDsbc%E©zQ>;Mc橢F01 {+=g""(-9yDLL>< f>SrS\m
Cj?(Ln k7n\[U]jBlX
tGfı탃 mѪ9sV}z}x^h.ОtM{]t2tWTHdԳ/ $-"^<#?Ǐ^L3k:xRgڕ{7mؽpN2T ҡ yFG||DZSE6.^U;_ǃ u>.a:LtyJHf1n$4}I5f e!?5k . Ȳ5,db Z &{bk2?i_M`4zoZnuːyݻӟ^[ sF8(*"B C 9F,Xb+ةͽG`Qr~ I|7^cm_?]b4ӿl;@GA Ą(dp1eg&Tbcgg.Aģ6gb 2eݢE5ZScW Gvmyx>v8Um[݊m.u|{o>Swu0}9T^:3}aJؠp0L<7L{}<:|w_Eoлv+ >J?]^' ;}q:t Gw/*_9Vb3 {ⴺ]܀q:gd
H 2$=c,`yCՒB< 585eTWgd@.GT GX5M&&.?;4/")45\擆m(D4 =^MmE a,Jjo|u
ۊLpU1 =ZGyss4ǥ,rG1Pw^mѝQa;v:y{`.2h`wm|4yx/mxܥ?9b cd< f~?g:fx3ҔQoNlΜr/])kzFz~U\U:mҹ N*r ^"xf3
{
|9Hh p|&YV|s X?V&.fqٌGfv3Bx0PT^]RH"x~>;6ߡ{ κG7џͻ?,K \nƯpEGCzBy9 %̶rQ34s{Rs0v,mCJ:෬V5|G3}}vOqP"*ӮK_|w<'>9~@ߥ@he̳$ӧ K ddx:.O N~ρs s V/ qsyIKK!YXĹWu
88f3_ s4_eCn*uRv Y⎜x=a ]oҐW~4EON2`~a![Hވ_|EX\o;f/'n;̀VzQ<q(HWSZ[T;-^?WqųLTj9>{r-B/1 3čUF8S$u|Ҵ$)cA3vydjmCMB@,z֭+@&}
w%Igqx g) }ECDBO=KoY
jgV
'D2\fͲ y}ޤ_+ض{8/UYi.KHyH]0 gX/}nr ACUmd*dַO? /xoVTL6 +ٻ=1Kbp vs.;#S_O/?8[ 哯]|-\XGLɡ:3r$w_qǺv@S2#9vîBHt' u=zc~Q=n8u]Y#}k9
KJKLߦL. pF<?/^"|/;.xo8YKM eqA$xP@O?ES V{=Oo 8i֔nW ̓>s9<(?Sb6|-;j: _~tF;?Tsr`gJ GDL=G7?DMZ9|ր+ 5=ans
ͮ_vlk՝PO&̚L3=!^hL߬it*t{ hZ9Lv4QKv6]^XH$c5w4ZgQLb0 ]yI+|%% L/Zs ,28ڍߗq]yk 뢵}}LٽO+l $j4* r2=RSf,lEڎ'f? گy5.rJ91V5yeܼq ؍,_xq-`>`56
BoLy_R鐯PY
Zċ| qeCK{]y}'_Y4^[P1 W/APct byt̀jJ%'ౣ~_744 |lx0̙V6=m6ҥ'Y):D,hʫ=rߟ~4{BPuƺuz֥.riʝ=z(kZ4wVvNM ٺԝaLN
[pJM=[6As/+#됌Ѕu/({.
ݥP?@E k{vxÇ=g ̘ؤ{ 99N68V*?=#yxDoc;g
ƥsJ&<ڌs ?XZe+X+@dM+}6.[I{ma*hû!
!lƧU\#xֲxnu B6@Гq~pqǧ36oBt rs[l'+.o%7Y\i +P h$=ߛ9&+]ҠrE'^JrÓ ?qKM jVʰ_h$'Eqd~W> @~
~ 0k&fg 7aYTx0xu #3Q9A0_ n鍺P&o4×@vg @4-A </k{A#< F
apN$ ^|X JAo|O_[{_Py~Q|K`h]llnꃶ@Ah;,?f #~8 Sې#qO W"R\ABFBC]vϦ@4@~@m!٤ zSgmj@Cm~AmKj[z QjE퇆
;v@H' J SAQ{yJFVT
P1*A^~AuiU 3d3L0nˆH,p!h%2pwaFX3
0@ f\=2 (]s
dXoz>Pf*.qȽ
{qij9;lF%ZN+/ 6.F,!7hWʅ%b]ی\,(3Eo*9rPʁ #|۹dH5LEr`,? ZIVk
H>_fV8:oMr9.F;5JHCV27 , `9 bcP1fF ax6;1k5k Y1vkXdcʍ0\>{ gcL<##xU\;~"c |yn٤jQzRrgs^d Z<].cFUbN{Qbaۢ9_Va9__FB
&,]EìB!* VxW<|Z ^-vW!ѫ)>X^i(>OT?汅K9ĂbNXO|[J%糅} F |E)DTUrE'UJxNp>O\V^p[ua ֶp{lvX rDyIJ<(&UR4p[hGk QpECϩ媄FhD;ӄfreWFc;Ԭ(2.^i?e~<G(/J*{hӆݘڳ[Q(s 6uEk
ѥ]ZL˹n 72 KUƈCܚtNʄ'F' 'sXPH><Gx fYh
\TWdqK( %A5`*s(3LQ {βT+v JK|7\.:|d. [6u(\D,N!1-2}gxX%ٍq)%rWZk;\Fqt\S|v.Q=?qYU*+>d.#8S}*뮵J0[P,~'{uݶ^{L౨sZHr>\v guők;,LrƿUrB~qv۳zlJ=h\Y (Yxki3WʞrsNJMR%wW/wZ_ӕZJLh˞-|y*U+b)W >
*v R9ڜ
\;۸+3kՓ1*
g-:aP~YXPԶe:(ܠZ\yh"_Ʊݪn42kU?x۲8h
ݭo?P6æ7-z[l-jmYLvfmFUlӗ;h2Vl VY_^-WmvX`-pbRL^S_XhTt6Q$TU n@4XXi1;O t܋!rQ:9+lVCeL a'Zܾhьf&ۍ`mVUېflSCU 'TUb~3CQ BU[e{eX`=%@ra C,#@" ʭ0]eVh eLA5`\JNk9MXm-;+Ez 0zԢfTdb/sA@\Q /
,8!n*.lUW"B .~m)) gP/ hs҂,U˦V"ٌg粆)"F;"@fX`]r 6N3F&Z v`B̲܌g; jd}EaJDoDcyk 7ȕy%B,kce,@&V K b՝?sjE
h,+bLɩYyrnVjބ +gd姥R\x''Ì̼IrV9I -&frs 9-#;=M}iS2GI.3+ONOHм,TJ2 ]NhxLLJKO˛-e2T MsҒǧ'srui9@E! (9+{RNڨyѰ(:弜]Fbha#)1%`Ⱥ|8wtbzK`svFefe0 LIKʔt JbRN
DINOLˈS3Gr[i8-` F2u9rn.95@i9<>tH&geƍ"$@D/sqN^VN ih91'-2{
&x'3^/w,Z0E.4V8oGJͽVI£!p>;Zmjev#%f! Y*dReHmbU= *,ȗ2Xfw:\bKl&$Y_ 6 u+[U[ ی
ةLe103Ήjs:rC.j+}'Up)\r4q1h~C2bMgTTĪ9+7~:}>'[%͔l"m"7HC8!GܰW@6(!M\K֟Ykugڅ~`6A\5CUgՔZ9MZuWVN#+(Ro=*E%}@>O0OHzcpII$*5tl/u%,=L#II
Fn܉n@[0V+v%].vrIg@t#HI *А)4&!!=kz) [Pi'0HI t" ?%~0 c ^w(
&)N IqD0/P\(a ?
endstream
endobj
15 0 obj
<>
endobj
16 0 obj
<>
endobj
17 0 obj
<>
stream
/CIDInit /ProcSet findresource begin
12 dict begin
begincmap
/CIDSystemInfo
<> def
/CMapName /Adobe-Identity-UCS def
/CMapType 2 def
1 begincodespacerange
<0000>
endcodespacerange
1 beginbfrange
<0000> <0000>
endbfrange
endcmap
CMapName currentdict /CMap defineresource pop
end
end
endstream
endobj
18 0 obj
<>
endobj
19 0 obj
< >>
/FontFile2 21 0 R
>>
endobj
20 0 obj
<>
stream
xV Qfd%{dT*l-Ȉ_sڥ}@;t:NtSn3msBhJWnt[Nw^{&lGM7l{z^4^7]B-J V[K}[}G?fVn w
endstream
endobj
21 0 obj
<>
stream
x| |oUWdYH@B M6YJȖIf& $af !D6T6Q5(*" p(*rqpn(rq!Sy{&=]U?S=#Q"dD x=eu:WZpwT6仿B
p4
~"P$BP4ba(
Gh݆P"(nG4݁ơhJA(
E( e 4<
P!*BP1*Ah2*CST4
t; @3,4# / O85 ;^=3p-ϵ al Cx q SZ Pp0-FrQl«GO G,] g U6 G,2Qxr
h3^S8U8wb
^.`}aUd\3 Uü .]\Чї>8$
xI!W(# pv;*Tb y >@9F >H:OgE:<&? t4h`DI"pI$FqrA!:G0eT̴q=n *:gtvMIJhσbtgܢ*<L&\1 q =C hM5i'!kFFGF u!u<bYv^R>(yĄАޚ$$*[}f𤹭fc|d jQxAu\ƵB~W:¸(!$Ψ(v&Elq1e?L9=wzqAIDj|b(Fi`7"Ga0qx͘1cǴ >ܾȧ;l!ڟ} ȺUvݻV:uOz_^9uW;{Ms[uI; gXʋg Ed<=ϧ\ (m1A @>XzxjzCGx
@!!0 (x7?p N\pzr{r&=!<`'
bD5kMkc;Ds9x7/#.8!h GtpT3 'K$D-E1gg 4G1{mL[[~W $LIy!zX%EZ 9G%q++_}`5Da8 [3k*ƻ*}2Ϗ:el%.lڙ>!s$kB;6v^?rF=[l4dfٙg`cQgjOK~cX%(:aT``p0i6
KjjI} sl~^XGt% %&%JIC < w#G6~J;cg~ oTx(,'<(
b=FxOJciԹwq˜6QӢ ҉W :;ZEm j
Y#"ǰ̤04GOM _+7nY{LjZ,EE8|OOɐ!8{ƽ[ =ؼbY =b.f
LāX|M!lVrb^/\p Sdx dh[>ǔBzp ǭw77,OZ͢KZi)]##?J2gO&\btv @0#d *~Y~ԤԅVXwffaaHz_/x 6ߌ5W>N*q艐+qsBGM yWx=V|K*aP+`U/7<ș&)f&N&AAnm2mn
uw2aϢL,yR\__(\]B10&C wz_X.Fמºev>'BH jv'
`uӋ
(p"*n7< ƃR!߿ svP"g8 iעh~Y $+0]XeMjo;ɰ w\;Ҕw)̟~AY(N^ݻٳ e! u.p.i(} Gx+ !6Q+.PѸ2
T"-!-ϰ'kghXuO13i/pu9t-7{&
Sb Bvu}
;~FNNEax= sQ"dD;"oǾrͼ8~J~G -|N+6
͘BL䷎o}6ի7q_CMs
U
쬱",rKWWov`ˍsǖuG@u.ڑ+jܩ |# Go^[e<CI9|A<ޝ $Ou-t!x{@W}}#`r-lO2-ȷ`[[Hێ=u?~^t^f@~6Gx0r¿Ե u`m 5f*J%` vE>y)$MqRZo`O7mкc فw#N~cFv|IP̀]J 7z$"ZݲZ|\z[t2+zER[y
w ?Nwo4vO1 +5Y c^ {B=3l??NiqO< KO 9=N6L6w F JGapV3+*'ۥfǽ%z w&,c ~哻^:`2 캽bŀ;\ӟ1[/(oyxСwsmN} r29ܒSJy%EٕE*f +!^?_33ßԼ/<ݾdcࡓJpGRAM±h) 2'g 9 ڂ6|W 0N5y|۳\o5QP]k4&,0xdN#+֬yT}wAuJ{kv;I/{`7 -~ |Dqǔ j!3"0I,?_26ػԅONM':?WD1n;mwWr;ݬE6)d =M*Bn&X_ + in: lOa|\ VպSk9ka ԊT:dTh&:Z98lPJ$eC?1 FO3
IcF2Xs}3 ;s\5E 8ߢbJP8 B ^b>}
_L4q ^l_sTT3N؎)QLu
VΟ *NRWɹgZ Yn)iF#y]e}>Gw-f |t W[M3*z9U v?`87r5>nw5.j}$`2 <~Zz VX J_e{XzN존L| }Qn1ɿ3w*R+ IOtK; _)dרIO=
Ǯ*B Il&AawJ^cn>w}Eb"=9t7zq,DN7u,ʌ~mwm\g_j0zt1K^\igئ̔̾ѱ-9w`ZWM5>$:iCpq@;W߀E!{䖥'=j76ddnNKѰ* W>Xlb YՙǮxh
(~ό-M1 Ŋ
_ j;n1B~j5BϭD ;vGjb䬿4Sa._9+Y?b<}~\- ?X! FzB8oE& (yG+aU pˡCmq%?m. 2 Շ~ &֝k̞p7х Wզqw OgW 1_.-U*BC>*E(D g͛> Li\x k'aM ;ir(vj1x v֨ B@yLM:~gC\EɋCmxlS&.o?V?unk^yxȥӟ?p|P~[nM=¸W)UBAqP)lAKjt}Ԧ;sӗaxP䅺о7¬#؎Wjm\tAoQ))LK3 dUgB'{O^SyvӔ),[u2፲1B7LA4ي!M~ڻm{/4Г ;_{+z" ^VOW!<5s1xB, GOj
pΆR9a8Ov䑈Ҧ+95 L3_Ged՝vM<@e
hF90]C Úzk yIQpME Wg./`xDC
~7\ vE4A,:
m ck(ICAPqD'Οĉ)Ft~#Y؎~n&? T=Fh z˸ߍ@E-B! K3DCYd+Lj^o_ju DMf
[==, <^3e |FyU{Yz AKƧO
C>zW~"6g{y
Ukp /^7O*wlt\mc ԶDlr nW"'IW5Im{@Y Q~^m4RRWޤ|*Kd1Na-IJ'6mFa}FmKն%jE
ն#V~IG?R@mc( ّՠ*TlH o%2JV-{*iACuoQJEpȨew`N#|a7ʀ @(C
0 e@O3 '|>oMf&n5Qi56b9rjm\FYb`i43 ste
re`u\S/*jk*eNWSsZAFh3?rɐ
YbtSPo54Zj{rse
8&n e *3X5z9!>qdw]LvxO b(#Ts2m4ՃAm`fĝ2Cb4F<5cxhk9f31B
VS`4Y t s@>&5&ӳ!e\:h KFEҸdQ(~ :չC0Ɋ8^ Gr|T8zzc5qLz>߬B65+Y*UM;1mqQC*VxW<Zn^-ʮVW%ѩ)>X ^YQlǩ #jU? ⱋKHĂbN3|J糋=}zmI)ĩT 5pE'MyN%r[ymauXi츿#%dă]jo.Ss
fGzx]DM\ ug4yNW%4QOF#_
5ݏk,PrԸaTD ]6pE]s&65:cKc9}e֩pm)P2&45HVm_ǯ]?
$7uMJMS7tbw_ǣDz31mjS(2luQQ (:>)sU轢*ǤVYr{N=c28}7q݈sҝ^O܈8|^ME@_]7\3qs1M\*= yu1%wlsՍt6%vz3S
\LWdrK( 5`ȫs(#㸄L >QO
U+vJK2. 232fTw:}'#h2/롐SH}LLynVIbvcgpJ\#%7ĉ:7',.k*.=ja|9\tU
Oi7,; jUJ.!.) n:~jt Y+Sx,jTn2y櫜Ov0 'Y⬻~q I3? qܥuwl}v R3-WJczzgep7Zd~Շ\կJ-huU%arU&MkMWvu|~*53zb)W ڼ
shBmjekPDz{-=vUNY-fuOU5xׂ.0
(ozXԳe:r\Z\yhz#_ƱE˴UPt4 #4@Nӂ(iyZ7%=/5'?NHOҖtaTq&di ũyqrI6=5@9R>th'M0I $@T/s/ qNiaq)9%898Y\2{ &d'3^/{gQl*`65 K ޥm4m̷V#OJ^$pz\o?CdGp]Ŗ85`Uӯ YR ć%+tXLg1RW Ӭ.6sA4[j`JD5SK|u)KUO [ V3T5Z{N6?r-z>Jzn7YC֦kVIkz~Uҽ d7'\*dXJ!p4ܵ$X%zIKI"?E~dQF,u@IR %3G6 -g{ MI#hK+%@P2&MS< 27&ՔTyA DOIʹ(ѵrJf>L$ӦKӆdJ)!%}M/)K&JITJ
RF
K$?OOSļ^H.t&|b+#YRv+&Z?)3h3|% *&%i}M$IMR[I(/)şJp?b cHwc}ȘҘ 2ڛܞK$^$M EFI#HIa^>$+\JDbJn'H #J#I|? o"q0'.ĥüpGbS!1ҐM$q'dPp4(D%H D"dO)D'Sā;p(I94 p4` [I7ܒ@@w JBc$BcI- `Prp A$D
N@;^ o@8?M}zo}xO`(&&7RDIbD{I$Q@6|뗭C G $Tt
endstream
endobj
2 0 obj
<>
/ExtGState <<
/GS1 7 0 R
>>
>>
endobj
22 0 obj
<>
endobj
23 0 obj
<>
endobj
24 0 obj
<<
/Producer ( m P D F 8 . 0 . 7)
/Title ( P r i n c i p a l c o m p o n e n t a n a l y s i s)
/CreationDate (D:20260714110313+00'00')
/ModDate (D:20260714110313+00'00')
>>
endobj
25 0 obj
<<
/Type /Catalog
/Pages 1 0 R
/OpenAction [3 0 R /XYZ null null 1]
/PageLayout /OneColumn
/Outlines 23 0 R
/PageMode /UseOutlines
/ViewerPreferences<<
/Duplex /DuplexFlipLongEdge
>>
>>
endobj
xref
0 26
0000000000 65535 f
0000002822 00000 n
0000029498 00000 n
0000000075 00000 n
0000000308 00000 n
0000002396 00000 n
0000002586 00000 n
0000002911 00000 n
0000002972 00000 n
0000003124 00000 n
0000003664 00000 n
0000004060 00000 n
0000004129 00000 n
0000004437 00000 n
0000004813 00000 n
0000016182 00000 n
0000016341 00000 n
0000016888 00000 n
0000017284 00000 n
0000017353 00000 n
0000017672 00000 n
0000018048 00000 n
0000029625 00000 n
0000029771 00000 n
0000029836 00000 n
0000030036 00000 n
trailer
<<
/Size 26
/Root 25 0 R
/Info 24 0 R
/ID [<23be9eacc38b0516e33fc279f9d5a2c2> <23be9eacc38b0516e33fc279f9d5a2c2>]
>>
startxref
30238
%%EOF