bit by bit HUNT correct HEC incorrect HEC δ consecutive incorrect HEC PRESYN cell by cell SYNCH error detection/correction correct HEC

Transcript

1 "!#$%&('*)+-,. )/ ;:<.=?>(@;<;HGJI?@LKM(: NO<9P/@"I9QRI?<S=9T;UIV= W X"Y Z[(\^].[([`_(a.bUced _(Z-f g.dhz_ikjlb/a.zgsmn_(abu_(aszgo*zgp"fqld#hdrib^c(b/mr[s_sce]s\t_(]c(buqvfc\tf wrxs]_sb^cgb^_zy fc(o[sfq5_yud c(bx { asd _"d c(bk_(abnc(b/hd _(Z-f g.[ea.z-xs[ jlb^_y b^b/gx.c(f_sf*\tf h[^}~[sb^c(*z\tb/[dg.m Zg _sb^c(q d\tb/[ ƒ X gif ]cfxszgsz-f g?}*y"a.d _Z[u ˆg _scedgb^_ ƒ 0 X"Yb/[(\tceZ-jlb#j.ceZbt SiRy"a.d _LZ[Ud*Z-c(_(].dh?\^Z-c \^].Z-_^X { asd _o ZŠg.m fqœ[(b^c( ZŠ\tb#y"Zhhld*Z-c(_(].dh?\^Zce\^].Z-_uf lb^cƒ Ž X" f _sc dg.[(wrz-_ d _#ced _sb+ Lc(b/ ].Z-c(b/[d x.x.c(fr *ZŠwRd _sb/h-i d jsdgsmy"zm_(a X š*f wb^f gbr\^]_ _(abryb^xsd c(_ˆœ wb/g _^ ž[ÿ_(ab^c gb^_u\^d jsh-b _(a.d _\tf g.gb/\t_([y fc(o*[s_(d _(Z-f gs[^x`f ]d c(b#mf Zg.pc(b^x~dZ-ceZgpy fceo dg.m if ] Vg.m d c(b^xshd\tb/wrb/g_\^d jshbyla.z\ea ZŠ[ [edzm _sfrf Vb^cd;j~dg.my"Zm._(a ]x _sfw/ L X { ZŠhhS_(aSZ[U\^d jsh-b#mf;_(ab sfjvƒ { a i.ƒ X" `YY #a.d[#d m.d _(d c d _sbfqw 66 j.xs[/x { a.d _kz[ _(abrd\t_(].dhced _sbpf Zgp f ]_#_sf _(ab; ~jvb^ctƒ { a iª_(ab m.z«lb^c(b/g.\tb&ƒ X g Zp d jsz-_#ÿ_(ab^c gb^_^}?f gb;fqxsa i*[(z\^dh`hd/ib^ckzšg_sb^c(q d\tbr[s_(dg.msd cem.[ ].[sb/[;w 666 d[sbtœ y"z-_(a Ž xsdz-ce[lfq \^d _sb^pfc(i _zy"z[s_sb/m xsdzc/xœÿ d\ea \^d _sb^pfc(i _y"zš[s_sb/m+x~dz-c f lb^ce[udjsdg.mylzm_(afq W/ L }qvf ]c xsdz-c [ d c(b ]S[sb/m Zg b/d\ea±_scedg.[(wrzš[([(z-f g msz-c(b/\t_(z-f g?}²dg.m d œh-b^b/h[ hzgbr\tf*m.zgpzš[kb/wxshfrib/m?x Lfry³\^dg _(a.zš[ Zg _sb^c(q5d\tbd\ea.z-b^b/[dm.d _(dc d _sbnfquw j.xs[ƒ X g j.cef dmjsdg.m y"z-ceb/h-b/[([²xsai*[(z\^dh hdrib^czg _sb^c(q5d\tb} Ž µ Z[Œ].[sb/m q5fc\^h-f [sbtœzg;[(]j~[(\tcez-jlb^ce[^}*w/ µ ZŠ[ ].[sb/m+qvfcuwb/m.z]sw;œm.z[s_(dgs\tb[(]js[(\tc Z-jlb^ce[^}dg.m µ ¹ š*º»z[].[(b/mrq5fc m.zš[s_(dg_ [(]js[(\tc Z-jlb^ce[^X { Z-_(a dk_i xsz\^dh " jsdg.my"zšm_(a?}yla.d _"Z[u_(abm.d _(dced _sbkf lb^c(b/mª_sf+m.z[s_(dg _[(]j~[(\tcez-jlb^ce[ ƒ ¼ X"Yb/[(\tceZ-jlb#_(abk\tb/hh½c(b/\tb^x._(Z-f gdhpfcez-_(a.w¾zšg gb^_y fc(o*[^x À X m.d _(dáhzšgoâhd/ib^cx.cef_sf \tf humf b/[ SfryÃdg.mÄb^c(cefc;\tf g _sc(f h[/xäåudgäif ]Æ_(a.Zgo dá[(zšgp h-b+_(aszgp ZŠg _(ab x.c(f_sf*\tf h½mb/[(zp g _(a.d _"wrd obn_(a.z[uxlf [([(Z-j~h-b&ƒ W 6 X g " g.b^_y fc(o~} y"zhh Z-_%jlbuxlf [([(Z-jShb _sfkzwrxsh-b/wb/g _Œ SfryÇdgSm;b^c(c(fc\tf g _sc(f h[d _ m.d _(dkhzg.okhd/ib^c h-b^b/hvƒ WW X m.d _(d hzg.o hd/ib^c x.c(f_sf*\tf h"].[(b/[r[(hzmszgpªylzg.mf&y³ Sfry \tf g_sc(f h"y"z-_(a œèjsz_r[sb/ ].b/g.\tbªg ].wnjlb^crdg.m pf œèjsd\(o œgáb^c(c(fc\tf g_scef héx { a.d _LZ["_(abg ].wjlb^cfq%qvc dwb/["_(asd _Ld [sb/g.mb^c\^dgª_scedgs[(wrz-_ylz-_(af ]_U_(ab gb^b/m q5fc"dg ÅUºÊqvcef wãc(b/\tb/z-b^cƒ W/ X"Y Z[(\^].[([u[(Z_(].d _(Z-f g.[ y"ab/g if ] y f ].hm x.c(b^q5b^cud q ].hh~m.d _(dhzgo;x.cef_sf \tf hl_sf;b/g.[(].c(blb^cec(fcsœèq5c(b^b _scedg.[(wrzš[ˆœ [(Z-f g dg.m y"ab/gªif ]ªy f ].hmy dg _Ld hz-p a _"m.d _(d+hšzgo+xsc(f_sf \tf hœdg.mhb/d/b _sf a.z-p a.b^clhdrib^cl_sf _(d ob \^d c(b b^c(c(fcsœèq5c(b^bk_sc dg.[(wrz[e[(z-f g?x W 0 X"Yb/[(\tceZ-jlb _(ac(b^bk\tf wrwrf g _sb/\ea.g.zš ]b/[u_sfxsc(fr*zmb q5cedwb ~d p [Uq5fcm.Z«lb^c(b/g _umsd _(dhzgo+hšd/ib^cx.cef_sf \tf h[/x W Ž X"ËL[(b^c dg.m].[(b^c d c(bkbt \ea.dg.p Zgp+m.d _(d ].[(Zg.p _(a.bn LY Ì`ÅÍx.c(f_sf*\tf héx ËL[sb^c c(b/\tb/z-b/má _(a zœèqvcedwrb qvcef wî].[sb^c dgsmâ ~g.ms[#z-_nz[#b^cec(f gb^f ].[^X { a.d _[(a.f ].hmâ].[sb^c mf_sfceb/\tfrb^c;qvcef wo_(a.z[kb^c(c(f gb^f ].[ [(Z-_(].d _(Zf g~ƒ W X" ab#btï \^Zb/g.\ti fq%[s_sfx dg.m yudz-_x.c(f_sf*\tf h½zg _(a.bkb^c(c(fcsœèq5c(b^bk\^d[sb Z[up Z-b/g j i W Ð W ÑÒ Ó y"ab^c(b#_(a.bnhzgo xsd cedwb^_sb^c Ó \^dgjlbnmbt ~g.b/m d[_(abkc d _(Z-fRfq`_(abkx.cefxSd p d _(Z-f g_(zšwb#_sf+_scedgs[(wrz[([ez-f g _(Zwb+Ô5q5cedwbk_(ZŠwb&Õ X Å f g.[(zšmb^cd [(d _sb/hhz-_sbhzgov} y"asz\earasd[ dc(f ].g.mœè_scez-xx.c(fx~d p d _(Z-f g _(Zwbfq 0 66 wr[^x% a.bld/b^c d pb#qvcedwrb hd[s_([k 66 Ö [/X { a.d _kz[ _(ab;btï \^Zb/g.\ti fq _(a.z[#[(d _sb/hšhz-_sbhzgozq_(ab[s_sfx dgsmáy dz-_ x.cef_sf \tf hzš[]s[sb/m~ƒ { a i_(ab[s_sfx dgsm+yudz-_xsc(f_sf \tf h~z[zšg.d x.x.c(fxscezd _sbuq5fc hzšgo [`ylz-_(a+h-f g.pnmb/hdrirdg.m [eafc(_q5cedwbl_(zwb&ƒ

2 W "!#$%&('*)+-,. )/ W/ X" c(f womsd _(d hzgoªhšd/ib^ckfxlb^ced _(Z-f g xlf Zg _ fq*z-b^yk}½[(].w+wrd cez- ^b;_(ab;x.c(f*\tb/m.]ceb fq wrd o*zgp dgá g _sb^cegb^_ xlf Zg_ˆœÈ_sf œèxlf Zg _ \tf gsgb/\t_(z-f g qvcef w daf wb ¹ ÅÇ].[(Zgp#_(a.bLxlf Zg _ˆœÈ_sf œèxlf Zg_ x.c(f_sf*\tf hœô ¹ ¹¹ Õ X Lf_(Z\tb#afry w]sh-_(z-xsh-b gb^_zy fc(o x.cef_sf \tf h[l\^dg jlbk[(]x.xlfc(_sb/m ZŠg [(].\eaªdg g _sb^cegb^_l\tf g.gb/\t_(z-f g?x W X" ab xlf Zg_ˆœÈ_sf œèxlf Zg _x.c(f_sf*\tf h²q5fc g _sb^cegb^_#\tf g.g.b/\t_(z-f gá[sxlb/\^z«sb/[d q5cedwb;[s_sce]s\t_(]c(b y"z-_(a d xsc(f_sf \tf h Sb/hm fquw fc j i _sb/[^xÿ xshšdzg y"a.d _U_(a.Z[uxSc(f_sf \tf h½ Sb/hm Z[U]S[sb/m q5fc"dg.m y"a i Z-_UZ[gb^b/mb/m½X W/¼ X"Ÿ_(ab^c gb^_n].[sb/[n_(ab+\^d c(c Z-b^cn[sb/g.[(b+w]Sh-_(Z-xSh-bd\^\tb/[([y"Z-_(aÂ\tf hšhz[(z-f gâm.b^_sb/\t_(z-f gøôèå"š* #Ù ÅuYkÕx.cef_sf \tf héx cez-bt Si [(].wrw+d cez- ^b#afry»_(a.z[ux.cef_sf \tf h?y fc(o*[^x W/À X Ÿ ŸŸÚ¼ 6 X 0 [sxlb/\^z«~\^d _(Z-f g a.d[d wrzšg.zw ].wãq5cedwbhb/gp_(aªfq Ž j i _sb/[^x { [sxlb/\^z«sb/m wrzšg.zw ].w q5cedwbh-b/gp_(a~ƒ 6 X" ab#btï \^Zb/g.\ti fq%ÿ_(ab^cegb^_^}s]sg.mb^cu_(abnab/dr i œh-f dm \tf g.m.z-_(z-f g½}*zš[up Z-b/g j i Ð W W Ñ ÛÜŽŽ Ó a i ¼ 6 X 0 Ì [g.b^b/mª_(a.zš[ y"ab^c(b wb/m.z].wãhb/gp_(azg jsz_([ Ó; q5cedwbkh-b/gp_(aªzg jsz-_([ W 6 ªj.x~[Ÿ_(ab^ceg.b^_Ra.d[ W o*wý\^d jsh-bdg.mòdgþdrb^ced pb qvcedwrbh-b/gp_(aæfq;w 6 Ž j i _sb/[^xòë[(zgpá_(ab x.c(fxsd p d _(Zf g[sxlb^b/m fq ;ß W 6à w Ù [/}.\^dh\^].hd _sbk_(a.bkbtï \^Z-b/g.\ti Ð fq`_(a.zš[uì nx *W X Wko*w¾_sfob/g cezgpfxlb^ced _sb/[ld _W/ R j.xs[/x { a.d _LZ[_(abnxSa i*[(z\^dh½h-b/g.p_(a fq%drjsz-_zšgwb^_sb^ce[ ƒ { a.d _ Z[U_(abnxSai*[(Z\^dh h-b/gp_(a fq%_(a.zš[ucezgprzgjsz-_([ ƒäô abnx.c(fxsd p d _(Z-f g [sxlb^b/mz[" 66 w Ù&Ö [ Õ X { a i d c(_(z«~\^zšdh mb/hdri w+d/i gb^b/m _sfrjlb#zg.[(b^c(_sb/mzg d[(a.fc(_cezg.p ƒ X gø `Y YL }udgj Å wb/\ea.dgsz[(wá\^dhh-b/mþjlb/d\tf gjx.c(f*\tb/[([ Z[+].[(b/mÇ_sfÆh-f*\^d _(Zgp q dzh].c(b[s_(d _(Z-f gøzgçd [(].[sxlb/\t_sb/m jsc(fob/g cezg.pxåudg if ]ªmb/[e\tceZ-jlb#afryâ_(aSZ[Ujlb/d\tf g x.c(f*\tb/[([uy fc(o*[ ƒ 0 X"ËL[(b_(abRa.Zm.m.b/g [s_(d _(Zf gáx.c(fjsh-b/wãdg.mábt *xlf [sb/mâ[s_(d _(Z-f g x.c(fjsh-b/w _sfbt *xshdzg y"a iª_(abr\^d cecez-b^ck[sb/g.[(b w]sh-_(z-xsh-bkd\^\tb/[e[;ôèå"š* ÕuyLZhh½gf_Ly fceo qvfcy"z-c(b/hb/[([ì ["_(a.d _].[sb [(afc(_lcedgpbnc dm.z-fx { a.d _Ld c(b _(abkjsd[ez\#zmb/d[ufq`_(abkwb/msz].wãd\^\tb/[([\tf g_scef h?x.c(f_sf*\tf hé}s Å }.qvfcl[(].\eaªy"z-c(b/hb/[([uì L[ ƒ Ž X cez-b^q`mb/[(\tcez-jlb ˆŸŸŸJ¼ 6 XWWny"Zc(b/h-b/[([UÌ [wb/m.zš].wãd\^\tb/[(["\tf g _sc(f héx X"Y Z[(\^].[([ y"a i ¼ 6 X 0ä ¼ 6 X ÅJx.c(f_sf*\tf h[ud c(bkgf_u[(].z_(d jsh-bqvfcu [^XYb/[(\tceZjVb af&yâm.z[s_scezjs]_sb/m ].b/]bkm.].dhljs]s[kô Y µ Y Õ ÅÚx.c(f_sf*\tf h½y fc(o [/X X" c(f wã_(a.b*z-b^yxlf Zg _ fq²hdrib^c(b/m x.c(f_sf*\tf h?[s_sce].\t_(].c(b}y"a.d _UZ[ _(ab#m.z«lb^c(b/g.\tb jlb^_y b^b/g d;j.cezšmpbdgsm d c(f ]_sb^cƒ X"Yb^xSd c(_(wb/g _Ua.d[ 0 Ÿ_(ab^cegb^_u[sb^p wb/g _([^}.\tf g.gb/\t_sb/m j i+ _scedg.[sx~d c(b/g_ j.cezšmpb/[zg _sf;dhzšgb/d c gb^_zy fceo~x å gb m.d/i}d gb^y³gb^_y fc(o±dmswrzg.z[(_sced _sfc\tf wb/[ _sf y fceo~x "b f g.h-iâo*gfryl[n æ_sfob/gæcezgp [/}Œdg.m gf_(z\tb/[l_(a.d _"_(a.bnb/g.m.["fq%_(abg.b^_y fc(oªd c(b gf_l\tf g.g.b/\t_sb/m?xlš f a.bnfcemb^c ["d+g.b^y»_scedg.[(xsd c(b/g _"j.cezšmpb dg.m \tf gsgb/\t_([njlf_(a±h-f f [(b+b/g.m.[kfqu_(ab gb^_zy fceoâ_sfª_(ab gb^y j.c Zmpb_sf w+d ob d \^h-f [sb/m c ZgpX { a.d _ a.d x.xlb/g.[ugbt *_ ƒ ¼ X"Yb/[(\tceZ-jlbkaf&yâ_scedg.[sx~d c(b/g_"j.cezmpb y fc(o*[^x À X gn\eaf f [(Zgp"jVb/[(_½c(f ]_sb/[^}_(ab fx._(zwrdhxscezg.\^z-x~h-b²\^dgjlb%b^c(i#].[sb^q ].héx { [(d/i.ƒ a.d _²m.f b/[ _(abfx._(zw+dhx.cezgs\^z-xsh-b 0 6 X" ab_sfxlf h-fpi+fq½dngb^_zy fc(orzš[p Z-b/g jlb/h-fryk} y"ab^c(b"_(ablg ].wjvb^c f g+b/d\ a hzgbzgsm.z\^d _sb/[_(a.blhzg.o\tf [s_^x

3 "!#$%&('*)+-,. )/ H 10 G { asd _d c(b#_(abkh-b/d[s_ˆœ\tf [(_xsd _(a.[uq5c(f wãçâ_sfrèr}qvc(f wãç»_sf é;}dg.m q5c(f w³çê_sfrëª}c(b/[(xvb/\t_(zb/h-iƒ c(f w _(ab/[sb# Vg.m.Zgp [/} mc d/y»dr[ezgo+_sceb^bkc(f f_sb/md _Lgf*mb#çX 0 W X"Ì Zg.o [s_(d _sb c(f ]_(Zgp Z[ d ylzmb/h-iâ].[sb/mädm.d x._(zb c(f ]._(Zgp dhpfcez-_(a.w X š*].w+wrd cez- ^b afry³_(a.z[c(f ]_(ZŠgp dh-pfcez-_(aswãy fceo [^X 0 X g j.c(f dm.\^d[s_nc(f ]_(Zgp}?ceb^b^ce[sbRxSd _(a qvfc(yud cem.zšgp Z[#fq5_sb/g ].[sb/m?xryb/[(\tc Z-jlbj.ceZ-bt Si afryì_(asz[#c(f ]_(ZŠgp [s_sced _sb^pi y fc(o*[dg.m bt *xshdzg ylai Z-_Z[Ud x.xsc(f/ ZwRd _sb/h-i fx._(zw+dhéx 00 X" abn\tf gs\tb^x._"fq`. *b/mªa.f wbnh-f*\^d _(Z-f gfc af wbd pb/g_ wrd ob/[l_(abnc(f ]._(ZgpRq5fcLwfj~Zh-bkZgd+y"Zmbtœd ceb/d \tf g_sbt *_"b/d[ez-b^c/xyb/[(\tcezjvbka.fryâ_(a.zš[uc(f ]_(ZgpR[(_sced _sb^pi qvfclwfjszh-b#].[(b^ce[uy fceo [^X 0Ž X h_sb^ceg.d _(Z-bÂd x.x.cef d\eaí_sfä. *b/møa.f wbâd pb/g_z[ _(abâwfjszšh-b d pb/g _d x.x.c(f d\ a?}y"a.z\ ajz[ dgíd\t_(z-b c(b/[sb/d ce\ a d c(b/d Zg _(abrÿuåš mb^xsd c(_(wrb/g_^xråudgáif ] [sb^b/gâdg iádmdg _(d pb/[ndgsmâm.z[(dm dg _(d pb/[#fq_(ab wfjszhb d pb/g _Ld xsx.c(f d\eaªy"z-_(a c(b/[(xvb/\t_u_sf+_(ab#. *b/maf wbkd pb/g _Ld xsx.c(f d\eavƒ 0 X"íf ]_(ZŠgp+Zg dm af*\ng.b^_y fc(o [Z["_i xsz\^dhh-i mf g.b].[(zšgp_(abdm af*\kf gbtœmszwb/g.[(zf g.dh?m.z[s_(dgs\tbnb/\t_sfc dh-pfcez-_(asw X d[(z\^dhšh-i}&b/d\ ag.f mbw+dzg_(dzšg.[½du_(d jshb}&ob^ib/mj i#mb/[(_(zg.d _(Z-f g?}&p Z-*ZgpZgq5fcewRd _(Zf g#d jvf ]. (a.d _nmb/[(_(zg.d _(Z-f g?}½zšg.\^h].m.zšgpry"a.zš\eaâgb/z-p a jlf ]c _sfª[sb/g.máx~d\(ob^_([ Zg fcemb^ck_sfceb/d\eaâ_(abrm.b/[s_(zg.d _(Z-f g½x Yb/[(\tceZ-jlbkaf&y»dRgf*mbkZ[Ud jshb#_sfrjs].zhšm ]xª_(a.z[uc(f ]_(ZŠgb _(d jsh-bx 0 X"Ÿ% *xshdzg _(abm.z«lb^c(b/g.\tb/[ujlb^_y b^b/gª\tf g.pb/[s_(z-f g\tf g _sc(f h dgsm Sfryê\tf g_sc(f hèx 0 X \tf wxs]._sb^c f g d &œ j.xs[ugb^_zy fceo+z[ c(b^p ].hd _sb/m j i dk_sfob/g js].\eob^_^x abl_sfob/g js].\(ob^_uz[ ~hhb/mrd _ d ced _sb fq W ªjSxS[^X% _ Z[ Zg.Z_(Zdhh-i ~hh-b/m+_sf\^d xsd\^z-_i y"z-_(a ¼ ªj½X Lfryâhf gp \^dg _(a.b\tf wx~]_sb^cu_scedg.[(wrz_ d (abkq ].hhvced _sb ªjSxS[ ƒ 0 ¼ X"Yb/[(\tceZ-jlb#_(ac(b^bk\tf g.pb/[s_(z-f gª\tf g _sc(f h xvf hšz\^z-b/[ _(a.d _"\^dgªjvbkd xsxshz-b/m _sfr*z-c(_(].dh?\^zce\^].z-_([u[(].jsgb^_([^x 0 À X g.b^_y fc(o Z[Uab/d/*Zh-i \tf gpb/[s_sb/m?}vdg.mdhhv_(ab\tf gpb/[s_(z-f g\tf g _sc(f h²[(\eab/wrb/[zg xshd\tbkasd/bkjlb^b/g _scezb/m js]_ _(ab \tf gpb/[s_(z-f gòzš[ g.f_ pf ZŠgpÂd/yud/iX \tf gpb/[s_sb/mþc(f ]_sb^cmb/\^zmb/[ _sf ].[(b Z-_([;hd[(_ ceb/[sfc(_^}h-f dm [(ab/m.mszgpx _ZŠ[L\^d c(cei Zg.p [sb^b^cedhœ*z-c(_(].dhœ\^z-ce\^]sz-_([q5fc#ab/d/ i ~h-b_scedg.[sq5b^ce[^x LfryÊ[(af ].hšm_(a.z[lc(f ]_sb^c m.z[(\^d c m.[uxsd\(ob^_([ƒ Ž 6 X"Ÿ% *xshdzg af&y»_(abk\tf g.pb/[s_(z-f gª\tf g _sc(f h jsd[sb/m f ga.fxœèj i œafxª\ afobnx~d\(ob^_([ly fc(o*[^x Ž W X"Ÿ% *xshdzgâa.fry _(a.b Zg _sb^cegb^_zy fc(oâ_sb/\ a.g.z ]by fc(o*[zg _(ab+\^d[sb fqujvf_(a _(ab [sf ].ce\tb+dg.m±mb/[s_(zg.d _(Zf g af [s_"[e]jsgb^_([ud c(bnfq²_(ab[(dwbk_zi xlbkdg.m _(a.b#_y f+b/g.m.["d c(bn[sb^xsd c d _sb/m j i [sf wrb#f_(ab^c {Á X Ž X [qvced p wrb/g_(d _(Z-f g gb^b/mb/mzšg \tf g.\^d _sb/g.d _sb/m Zc(_(].dh«œ\^Z-c \^].Z-_uZg_sb^c gb^_([ufcf g.hi Zg msd _(d pcedw [si*[s_sb/wr[ƒ Ž0 X" ²]Sg.gb/hZg.p _(a.c(f ]p a d \tf g.\^d _sb/g.d _sb/mä*z-c(_(].dh«œ\^zce\^].z-_#[(]j~gb^_kz[n[(_scedz-p a _sqvfc(yud cem?î_(ab w ].h-_(zx.c(f_sf*\tf h c(f ]_sb^c#d _f gbb/gsmr (].[s_[sb^_([ ]xád+*z-c(_(].dh²\^z-ce\^].z_"_sf _(abf_(a.b^cb/gsm dg.m xsd[([(b/[lx~d\(ob^_([#_(acef ]p a Z_^X Åudg _(].gsgb/hzgp;dh[sfjlbk].[(b/mzg m.d _(d pcedw [(]js[(b^_([ ƒ q`[sf}saf&yƒ

4 "!#$%&('*)+-,. )/ ï8;ðlð":<s=v:æ;<sñí:i?<9;æ<~@me8=?>(@l;<9p/@li9qri?<.=êt;uiv= W X \tf wxsh-b^_sb \tf wrw ].g.zš\^d _(Z-f gú_(d[soúd\tc(f [([ dþ\tf wxs]._sb^cªgb^_y fc(oúz[ b^ceiø\tf wx~hz\^d _sb/m?x ²fÇwRd ob x.c(fjshb/wòwrdg.d pb/d jsh-b}œwf [s_kgb^_zy fceoá[(fqv_zy d c(b d c(brfc(p dg.z ^b/m d[kd [sb^cezb/[ fquhšd/ib^ce[^xrÿ d\ea hšd/ib^cd _ d wrd\ a.zgbxlb^c(q5fcewr[d c(b/hd _sb/mç[e]js[sb^_fq _(abq ].g.\t_(zf g.[c(b/ ].Z-c(b/mÆ_sf±\tf wrw]sg.z\^d _sbªylz-_(aòdgf_(ab^c [si*[s_sb/w XZ-_uc(b/hŠZ-b/[ f g _(abkgbt *_h-fry b^c"hdrib^c_sfxlb^c(qvfc wówrfc(b#x.cezw+z-_(z-b"q ].g.\t_(zf g.[udg.m _sfr\tf g.\tb/dh?_(ab mb^_(dzh[fqœaf&yâ_(af [sbnq5].gs\t_(z-f g.[ud c(bnd\t_(]sdhh-i ZwxSh-b/wRb/g_sb/m?X ̽fp Z\^dhŠh-i} xlb^b^cuhd/ib^c [ d\tc(f [e[ _(a.bgb^_zy fceor_(dh-o_sf b/d\ea f_(ab^cu].[(zg.pkx.c(f_sf*\tf h[^x% ab\tf wrw ].g.z\^d _(Z-f g Z[#d\t_(].dhhi \^d c(c Z-b/mÁf ]_k].[(zšgp [(f wb+[sb^c(*z\tb/[ x.cefr*zmb/máj iª_(ab+hfry b^cnh-fry b^c/x Lfrȳ d [(b^c( ZŠ\tbR\^dgÂjlb d\^\tb/[([sb/m Z[u ZŠddgZg _sb^c(q5d\tb/[/x ab xlb^b^cx.c(f_sf*\tf h[u].[(b/mzg drhdrib^c"d c(bk_(abkhšd/ib^c/ ž[uf&y"g js]s[(zgb/[([/} d[ h-f gprd["_(ab^i pb^_l_(ab sfjªmf gbx "abk[sb^c(*z\tbkmbt ~gsz-_(z-f g _sb/hh[uy"asd _drhd/ib^cmf b/[^x hd/ib^c/ ž[lzg _sb^c(q5d\tb _sb/hh[u_(a.bkhd/ib^cd jvf&baf&yâ_sf+d\^\tb/[([z-_^x X g _scedgb^_uz[? s].[(_d x.xsh-i*zgp# ˆg _sb^cegb^_ [(b^c( ZŠ\tb/[y"Z_(a.Zgdg fc(p dg.z- /d _(Z-f g½} hzobldn\tf wrxsdgi+fc d].g.z-b^ce[ez-_i mb^xsd c(_(wrb/g_^x 0 X q5].hšh\tf g.gb/\t_(z-f g Z[[sb^_ ]xrjlb^_y b^b/g [(b/g.mb^cdg.m+c(b/\tb/z-b^c/} js]_zš[zwxshb/wb/g_sb/mrj i;xsd\eob^_ [sylz-_(\ea.zšgp} ZÉXÜbX _(ab c(f ]._sb _(a.c(f ]p aä_(ab gb^_y fc(oæz[b/[s_(d jshz[eab/m xscez-fc;_sfâm.d _(d bt *\ a.dgpbªdg.mæz[. *b/mäqvfc;_(ab m.]ced _(Zf g fq`_(abnh-fp Z\^dh²\tf g.gb/\t_(z-f gªjs]_u_(ab \tf g.gb/\t_(z-f g Z[[(aSd c(b/mgf_mb/m.z\^d _sb/m?x Z-ce_(].dh½\^Z-ce\^]SZ-_ f Vb^c ["\tf g.gb/\t_(zf g*œèfcez-b/g _sb/mª[sb^ce Z\tbX Ž X"Ÿ_(ab^c gb^_ msd _(dªced _sb ôã ÎW 6 j.xs[^x [; dg.\ea.b/[s_sb^cb/g.\tf*m.zgpªzš[].[(b/m?}`_(ab _scedg.[(wrzš[([(z-f gâc d _sb fc jsd].m ced _sb Z[ Ú ô» Ú 6 " jsdg.my"zšm_(a+fquw/ L nz[u_sf f+[(wrdhšhé}dg.m _(abk\^d jshbk\^dg.gf_"mf+_(ab ˆfjªx.c(fxlb^ceh-iX X Ž j Ù jªb/gs\tf m.zšgpd _xsa i [(ZŠ\^dh?hd/ib^c/}~[sfR_(abk_sc dg.[(wrz[e[(z-f g ced _sbnz[ Ž ß ô» Ž ß W 66 j.xs[ 9W/ ªj.x~[ X œh-b^b/h[hzgbk\tf*m.zg.p+dhh-f&y"[_sf _scedg.[(wrz_"d _ RjSZ-_([xlb^c[si wjlf hô5y"z-_(a [sf wb [sxsd c(b&õ X"š*ZgS\tbkqvf ].c"xsdz-c [ d c(bu].[sb/m;zgb/d\earmsz-c(b/\t_(z-f g dg.m b/d\ea_zy"z[s_sb/m xsdzcœ\^dg;f lb^cdjsdg.my"zšm_(akfqœw/ L X% a.z[²x.c(f& Zm.b/[ d _b/d\ea m.z-ceb/\t_(z-f g _(abkm.d _(dc d _sb ô» Ú ß Ž ßÂW/ j.xs[ W j.xs[ X µ ¹ šºãdhh-fryl[ _sf_scedg.[(w+z-_#d _ jsz-_([ xlb^ck[si*wjvf hèxš fª L Rfqu[sxlb/\t_sce].wò\^dgÂx.cefr*Zmb_(abRm.d _(d ced _sb ô» â ߪ j.xs[ 6 ªjSxS[ ¼ X g \tb/hh½a.d[d S b/mhb/gp_(a fq œèj i _sbab/dm.b^cqvf hšh-fry b/m j i Ž ¼&œÈj i _sbnxsdri h-f dm½x ab œè_(aj i _sbkfq œèj i _sb#ab/dmb^c/} Ÿ Å}*Z[ pb/gb^ced _sb/m q5c(f w _(ablceb/[s_ fq²ab/dmb^cud\^\tfcem.zg.p_sf;d o gf&y"g \tf m.zšgpnce]sh-b} dg.m _(a.z[uq5fcewr[u_(a.bkjsd[(z[ufq%\tb/hhlceb/\tb^x._(z-f gdh-pfc Z-_(a.w î W X"õªö ørî dª\tb/hh«œmb/hzšgb/d _(Z-f gâdh-pfcez_(a.woz[ xlb^c(qvfc wb/m j~z-_±j iìjsz_±_sfêmb^_sb^cew+zgbíz-q LŸuÅ \tf mszgpòhd/yozš[ fj~[sb^c(b/m?x å g.\tbâd wrd _(\ea Z[?d\ a.z-b^b/m?}z-_½z[?d[e[(].wb/m#_(asd _½f gb ab/dmb^c"asd[ujlb^b/g qvf ]Sg.m?X α consecutive incorrect H bit by bit HUNT SYNH error detection/correction correct H incorrect H PRSYN δ consecutive correct H cell by cell X"ùkú ûnülý î dª\tb/hh%[s_sce].\t_(].c(brz[#gf&ȳ d[([(]swb/m?x Å b/hh-œmb/hzgb/d _(Zf g dh-pfc Z-_(a.wòZ[#xlb^c(q5fcewb/mÁ\tb/hh j i \tb/hh½]sg_(zhlb/gs\tf m.zšgphd/y»asd[ujlb^b/g\tf g* ScewRb/mþ _(Zwb/[U\tf g.[sb/\^]._(z-b/h-ix

5 W "!#$%&('*)+-,. )/ Ž 0 X#üVý ÿõ îl LŸuÅZ[].[sb/m qvfc#b^cec(fc#mb^_sb/\t_(z-f g dg.má\tfc(ceb/\t_(z-f g?x Å b/hšh²mb/hšzgb/d _(Z-f g Z[ d[([(].wrb/m _sf jlbkh-f [s_z-qœ LŸuÅÍ\tf mszgprhdry»z[uc(b/\tfp g.z ^b/mªd["zšg.\tfc(c(b/\t_ Ä_(Zwb/["\tf g.[sb/\^]_(z-b/hix À Xš b/ ]b/g.\tbng ].wjvb^cr} yla.z\ea ZŠ[ub/[([sb/g _(Zdh Zg ~fry»dg.mb^c(c(fc"\tf g _sc(f h[^x W 6 X" `h-fry»dgsm b^c(c(fc"\tf g _sc(f h["d c(bkzwxlf [([(ZjSh-bLd _"_(abkm.d _(drhzšgo+hdrib^clh-b^b/hé}.d[ \tb/hh[umfrgf_\tf g _(dzg dr\tf g _sc(f h? Sb/hŠm dg.m _(a ]S[gf+[sb/ ]b/g.\tbkg ].wjlb^c/x WW X" abkwrd Zw ].w³y"zgsmfryâ[(z ^b ã Ú ÞW 9W/ }S_(abkw+d *Zw ].wãg ].wjvb^cufqœq5cedwb/[dhhfry b/m _sf+[sb/g.m y"z-_(af ]._U_(abkgb^b/m _sfryudz-_q5fc"dg ÅUºX W/ X q5]shhm.d _(d"hšzgo"xsc(f_sf \tf hy"z-_(akz_([? Sf&y±dg.mnb^c(c(fc²\tf g _sc(f h[²z[½b^ceicefjs].[s_ dgsmn\^dgn\tfxlb y"z-_(akgb^_zy fceo [ y"z-_(a ].gc(b/hzšd jsh-b#dg.mªg.f Z[si \tf wrw ].g.z\^d _(Z-f gs["hzg.o [^}.d (ab \tf [s_lfqzšg_sc(f*m.].\^zšgprab/d/ i frb^c ab/dm?x š*f Z-_Z[ m.z«ï \^]Sh-_`_sf d\ a.z-b^b a.z-p ar[sxlb^b/m?x% ²fd\ a.z-b^blasz-p a+[sxlb^b/m?} dnhz-p a _m.d _(dhzgo x.c(f_sf*\tf hv\^dgrjlb"].[sb/m qvfcgb^_y fc(o*["ylz-_(a c(b/hzšd jsh-b#hzgo*[^xÿc(c(fc\tf g_sc(f h²wrd/i _(a.b/gjlbnzwx~h-b/wb/g _sb/m y"z-_(a.zg asz-p ab^c"hdrib^cd _ dg b/g.m*œè_sf œèb/gsmjsd[(zš[^x W 0 X Z-_%[s_(]*Ï gpî²ël[sb 6 WWWWWW 6 d[`qvcedwrb Vd p} dg.m;wrd ob[(]c(b _(a.z[²xsd _s_sb^cegg.b^b^cd x.xlb/d ce[²zšg.[(zmb dqvcedwrb j i jsz_u[(_(]*ï gp ä [(b/g.mb^c"dm.ms[d 6 jsz_uy"ab/gb^b^c"z_ub/g.\tf ].g _sb^ce[u Sb\tf g.[sb/\^]_(z-b W#jSZ-_([UZŠgm.d _(d*}sdg.m c(b/\tb/z-b^cmb/hb^_sb/[ _(a.b 6 jsz (a.d _uq5f hh-fryl[ ~b\tf g.[(b/\^]_(z-bwjsz-_([ Zg _(ablceb/\tb/z-b/m m.d _(d*x g+bt dwxshb ZŠ[ LY Ì`ÅÍx.c(f_sf*\tf héx j Ù jô Õ b/g.\tf*m.zgpîœ\tf mszgp#mb/[(z-p g b/g.[e]c(bu_(a.d _[sf wbubt *_sced#\tf*mbujsz-_œxsd _s_sb^cegs[%y"zhh jlb ]Sg.Z ]b dg.mgb^b^cd xsxvb/d czšg \tf*mb/mrmsd _(d jsz-_%[s_sc(b/dw }_(a ].[`xsc(fr*zmb/[`q5cedwb ~d px g;bt *dwrxsh-buz[% `Y YL Ž j Ù j b/g.\tf*m.zgpx ¹ a i [ez\^dhshdrib^c hšzgb\tf*m.zgpk*z-f hd _(Zf g?îœm.b/hz-jlb^ced _sbu*z-f hd _(Zgp#x~ai*[(Z\^dh~hd/ib^cuhZgb\tf*m.Zg.pkce].h-bU_sf;[(Z-p gsz-qvi [sxlb/\^zdhlb^b/g _^}~ZÉXÜbX._(a.bk[s_(d c(_fq%dq5cedwbx g bt dwxsh-bkz[ sš*y í qvcedwrb# ~d px W Ž X"ËL[(b^c [sb/g.m.["d[(]xlb^c(*z[sfc(irq5cedwbí"ÿ_sf+].[sb^c y"z_(a c(b/\tb/z-bn[sb/ ]b/g.\tbg ].wjlb^c Ô í Õu[sb^ sf X W X" abkhzšgorxsd cedwrb^_sb^c x.cefxsd p d _(Z-f g _(ZwRb 0 66 wr[ Ó q5cedwb#_(zwrb 6 X RwR[ ab#btï \^Zb/g.\ti fq`_(abhzgorylz-_(a _(abk[s_sfx dg.m yudz-_ux.c(f_sf*\tf h ÊW 66 Ð 0 ß W 6 6*Û 0 W ÑÒ ß W 66 abk[s_sfx dg.m yudz-_x.c(f_sf*\tf h½z[ub^cei ZŠgbtÏ \^Z-b/g _UqvfcLhZgo*[ y"z-_(a hd c(pbndh].b#fqœó~x W/ XnW XVÅudhhl_(a.bkx.c(f& Zm.b^c/ ž[uc(f ]_sb^c*zddrwrf mb/w¾_sf+[sb^_"]xdrxsai*[(z\^dh?\tf gsgb/\t_(z-f g?x Xš b/g.mäd g ].wjlb^cnfqlì²zgo Å f g _sc(f h ¹ c(f_sf*\tf hkô ̌Š¹ ÕkxSd\(ob^_([^} b/wnjlb/m.m.b/m±zgs[(zmb ¹ ¹¹ gb^pf_(zd _sb_(abkfx._(z-f gs[ufq ¹ ¹¹ \tf g.gb/\t_(z-f g?}~[(].\eaªd[ q5cedwb/[^}%_sf abkwrd Zw ].w³xsdri h-f dm [(Z- ^bkzg msd _(dqvc dwb/[ Yf+d]_(ab/g _(Z\^d _(Z-f gäô5bxüpx~d[so q5fcxsd[([sy fcem~õ ªf gsz-_sfc_(abnhšzgo+ ].dhz-_ziáô5bxüpxvafryêwrdgi q5cedwb/[mszm gf_pb^_"_(a.c(f ]p a~õ Å f wx.ceb/[([ab/dmb^c [nô5y"a.z\ a Z[U].[sb^q ].hlq5fc"[(h-f&y»hzg.o [ jlb^_y b^b/gq d[s_"\tf wx~]_sb^ce[ Õ 0 XŒš b/g.mádg ].wjlb^cfqu Lb^_y fc(o±å f g _sc(f h ¹ c(f_sf*\tf h"ô #Å ¹ Õ xsd\(ob^_([^}œb/wjvb/msmb/mâzg.[(zšmb ¹ ¹¹ q5cedwb/[/} _sf+gb^pf_(zd _sb_(abngb^_zy fceo hšd/ib^cl\tf g Sp ]ced _(Z-f g½x fcªbt dwxshb}kz-qnif ]c ¹ Å yudg_([ _sfþce]sgú LÅ ¹ Ù ¹ }U_(ab #Å ¹ q5fc ¹ ZŠ[ ].[sb/mú_sfçm.fò ¹ dm.mc(b/[([ d[([(z-p gswb/g_^x Ž Xf ]c ¹ ÅØZ[g.fry»dgª g _sb^cegb^_af [(_^}Sd jsh-b#_sf+[(b/g.mdg.m c(b/\tb/zbn ¹ xsd\eob^_([^x

6 W ô "!#$%&('*)+-,. )/ X { a.b/gáif ] d c(b ~g.z[eab/m?}v_(abr Å ¹ [(a ]_([ mfry"gá_(a.b;g.b^_y fc(oâhd/ib^ck\tf g.g.b/\t_(z-f g?}½q5c(b^b; ¹ dm.mc(b/[([ _(ab ̌Š¹ [(a ]_([m.fry"g _(ab msd _(dªhzg.o hdrib^c\tf g.gb/\t_(z-f g dg.m Vg.dhh-i}²if ]c ¹ ÅÊ_sb/hŠh[k_(ab wf*mb/wî_sf a.dgpr]xª_(ab#xsaf gb}ceb/h-b/d[(zgpx~ai*[(z\^dh?hdrib^cl\tf g.g.b/\t_(z-f g?x "f_(zš\tbn_(abk[s_(d pb 0 }._(a.z[uw+d ob/["z-_uxlf [([(ZjSh-b_sf+[(]x.xlfc(_Um.Z- Vb^c(b/g _gb^_zy fc(o hdrib^c"x.cef_sf \tf h[/x W X" ablx.c(f_sf*\tf h. Sb/hŠmRZ[]S[sb/m+_sf_sb/hh.yLa.d _o*zg.m+fq½gb^_y fc(orxsd\eob^_uz[zgr_(ablx~d/i*h-f dm?x% a.z[z[\tb^c(_(dzšg.h-i gb^b/mb/m d[u ˆg_sb^ceg.b^_ \tf g.[ez[s_([ fq d cez-f ].[ m.z«lb^c(b/g _sg.b^_y fc(o [;y"a.z\ a wrdri+[(]xsxvfce_ m.z«lb^c(b/g _ g.b^_y fc(o hd/ib^clx.c(f_sf*\tf h[^x W/¼ X g Åš* Ù ÅUY} dn].[sb^c y"z[(aszgp _sfn_scedgs[(wrz-_uî!.ì²z[s_sb/g.[_sf[sb^bz-ql_(ab"\easdg.gb/hszš[%qvceb^bx% zql_(ab"\ a.dg.gb/h Z[RZmSh-b}Z- scedgs[(wrz-_([^xò q_(ab\ea.dgsgb/hz[j~].[si} Z_ob^b^xS[+hZŠ[s_sb/g.ZgpÁ].g _(Zhu_(ab\ a.dg.gb/hzš[qvceb^b} _(ab/g _scedg.[(w+z-_([uzwrwb/mszd _sb/h-i ÔˆWœÈxlb^ce[eZ[s_sb/g _ Õ X "! Y ]cezgp _(ab_scedgs[(wrz[([ez-f g?}?z-_ ob^b^xs[khzš[s_sb/g.zgp _sf _(abrwb/msz].w _sfmb^_sb/\t_n\tf hhšz[(z-f g?x zq d \tf hhz[ez-f g Z[#mb^_sb/\t_sb/m?}`Z-_#[s_sfxS[k_scedg.[(wRZ_s_(Zgp ZwRwb/m.ZŠd _sb/h-i}½dg.máyudz-_([kd cedg.m.f wãxvb^c Z-f m fq _(Zwb;jlb^qvfcebpf b/[ jsd\(o _sf+[(_sb^x#.x W/À X g Åš* Ù ÅUY} dg+zwxlfc(_(dg _%ce].hbz[%_(a.d _ qvcedwrb/[w ].[s_jlbh-f gpnb/gf ]p ar_sf dhh-f&yç\tf hhz[ez-f gmb^_sb/\t_(z-f g x.cez-fc;_sfá_(ab b/g.mæfql_scedg.[(wrzš[([(z-f g?x å _(a.b^c(y"z[sb} Å"š* #Ù ÅuYãmb^pcedm.b/[;_sf ÅU Áš X% ab y fce[s_ˆœ\^d[sb _(Zwb_sfmb^_sb/\t_d\tf hšhz[(z-f g Z[u %$l}$+jlb/zgp_(abb/g.m*œè_sf œèb/g.mâô5_y fq d c(_(ab/[s_u[s_(d _(Z-f gs[ Õ%xSc(fxSd p d _(Z-f g _(ZwRbX ab+w+zg.zw ].w qvc dwbrw]s[s_k_(ab^c(b^q5fc(b hd[s_kh-f gpb^c_(a.dg %$lx fc Ÿ ŸŸê¼ 6 X 0 Ì ³[s_(dg.m.d c m?} _(a.zš[ p Z-b/[c Z[sb _sf+drwrzšg.zw ].wóqvcedwrb#_(zwb#fq W X Ö [^}fc Ž j i _sb/[^x 6 X"ô» 9W 6 j.xs[^}& 9W o*w }('Æ 9W 6 Ž j i _sb/[/}*)ê â ß W 6à w Ù [ *W X" ab#xsa i*[(z\^dh?h-b/gp_(afqœdj~z-_z[ Ó ô+& ' ) Ð ) w Ù&Ö [ß ab#xsa i*[(z\^dh?h-b/gp_(afq²_(a.zš[ucezgpzg j~z-_([uz[ W 6 #ß W#ß W 6, 6*Ûž66 *W W 6 Ž ߪ¼ßª ;ß W 6 à W W Ñ ÛÜŽŽ 6*Û À ßÓ Ö [ Ú 66 ß W o w¾ß W/ R j.xs[ 66 w Ù&Ö [ W W/ Ú¼ 6 j~z-_([ W/ Û w ablcezgpxsai*[(z\^dh~h-b/gp_(a Zg jsz-_([w ].[s_ jlblhd cepblb/gf ].p a+_sf\tf g _(dzg _(abl_sfob/g½x fcu[(afc(_ cezg.p [^}_(a.zš[ wrd/i gf_"jvb _(ab\^d[sb}~dg.m d ce_(z«~\^zdh?mb/hšd/i w]s\ea jlbkzg.[(b^c(_sb/m?x X" abujlb/d\tf gx.cef \tb/[([z[%].[sb/m;_sfnhf \^d _sb"dkq5d].h_`zšgd cezgp _(a.d _ZŠ[%[(].[sxlb/\t_sb/mfqVjlb/Zgp j.c(fob/g?x` _%c(b/[(].h_([ ZgªZŠmb/g_(Zqvi*Zgp;_(ab [s_(d _(Z-f g _(a.d _ZŠ["m.Z-ceb/\t_(h-i m.fry"g.[(_sc(b/dw q5c(f w _(abnjsc(b/d o~x "abkx.c(f*\tb/[([ljlb^p Zg.[Uy"Z_(a f gb fcuwfc(b [s_(d _(Z-f g.[u[sb/g.mszgp[(_sc(b/dwr[ fq [sxlb/\^zdhv ÅJq5cedwb/[u\^dhhb/m.-0/1304%57698:1%;</9= }yla.z\ea a.drb d qvc dwbk\tf g_scef h½ dh]b#fquww 66 œ 66 W 6 XU abkmb/[s_(zšg.d _(Z-f g dm.mceb/[([u Sb/hm ZŠ[U[sb^ sfr ^b^c(fx ab#ce]sh-b/[ud c(bî W X { ab/gb^b^ckdg iª[s_(d _(Zf g [(]S[sxlb/\t_([Ld q5d]sh-_lzgª_(ab cezgp}vz-_l[s_(d ce_([l_(a.bjlb/d\tf g x.c(f*\tb/[([lj i[sb/gsm.zgp+d \tf g_(zšg ]f ]S[[s_sc(b/dwR["fq²jlb/d\tf gªqvcedwrb/[^x _sfob/gªz[g.f_uc(b/ ]SZ-c(b/m _sf+[sb/gsm _(ab/[sb#q5cedwb/[^x X~ qd [s_(d _(Z-f g c(b/\tb/z-b/[ jlb/d\tf g qvc dwb/["q5c(f w dgf_(ab^c#[s_(d _(Z-f g½}v_(a.bcezšgp+z[gf_j.c(fob/g jvb^_zy b^b/g _(ab [s_(d _(Z-f g;dg.mz-_([²].xs[s_sc(b/dwêgb/z-p a jvfcrx² ab [s_(d _(Z-f g;[s_sfxs[œ[sb/g.m.zšgp"z-_([ fry"gjlb/d\tf gq5cedwb/[œdg.mnqvfc(yud cem.[ _(abkc(b/\tb/zb/m jlb/d\tf gq5cedwb/[u_sfr_(a.bngbt *_[s_(d _(Z-f g.[^x 0 XH zqud [s_(d _(Z-f g±c(b/\tb/z-b/[;z-_([kf&y"g±jvb/d\tf gäq5cedwb/[^}`_(ab cezgp Z[ngf_j.c(fob/g?X ab [(_(d _(Z-f g b/gsm.[k_(ab jlb/d\tf gx.c(f*\tb/[([dgsm [s_(d c(_([_(a.bn\^hdzw³x.cef \tb/[([_sfrc(b/\tc(b/d _sb_(abk_sfob/g?x

7 "!#$%&('*)+-,. )/ Ž X? zq d jvb/d\tf gszgp [s_(d _(Z-f gâmf b/[#gf_#ab/d c#b/z-_(a.b^ckz-_([fry"gáfckdg if gbrb/h[(b ž[ jvb/d\tf gs[ qvfckd h-f gp _(ZwRb ÔˆW 6 [UfcL[sf Õ }SZ-_\tf g.\^hš].mb/[u_(a.d _"_(abkcezg.p;zš[uj.c(fob/g (].[s_ujlb^q5fc(bkz-_^x b/d\tf g.zgp ZŠ[d žhd/ib^c+wRb/\ea.dg.ZŠ[(wÝdg.mÒpb/gb^c dhh-i±m.b^_sb/\t_([rq dzh]c(b/[;zg _sb^ceg.dhu_sfâ_(a.b[s_(d _(Z-f g.[^x Ÿ% *_sb^ceg.dhœq dzh]c(b/[ [(]S\eaÁd[ j.c(fob/gâ\^d jshb/[#d c(bmb^_sb/\t_sb/m b/d[(zšh-ij iª_(abh-f&y b^c ¹ ³dg.m ¹ Ȳ hšd/ib^ce[ dg.m j i wrb/dg.[ufq`f_(ab^clwrb/\ea.dg.zš[(wr[^x 0 X { Zc(b/h-b/[([#Ì [#].[sbr[(a.fc(_ cedgpbcedm.zfx quåš Z[ ].[sb/m ä Zm.mb/gÁ[s_(d _(Zf gâx.c(fjshb/w î#š*_(d _(Z-f gâçn} y"z[(aszgp_sfk_scedg.[(w+z-_%_sfn }[sb/g.[(b/[%_(ab"wb/msz].w XŒçJwRdri;q5dh[(b/h-i \tf gs\^h].mbu_(a.d _Z_\^dgR_scedg.[ewRZ-_^} y"a.b/g ZgÁq d\t_dgf_(ab^c [s_(d _(Z-f g?}œa.zm.m.b/g jlb/a.zšg.má Ô dgsmâf ]_kfqu_(abrc dgpbrfquç Õ }`Z[kdh-ceb/dmi _sc dg.[(wrz-_s_(zšgp _sf XŸ% *xvf [(b/mª[s_(d _(Z-f g x.cefjsh-b/w îuçê[sb/g.[sb/[dg f gpf Zgp _scedg.[(w+z[([(z-f gªdg.mªq dh[sb/hi \tf gs\^h].mb_(a.d _Z_ wrd/iâgf_#_sc dg.[(wrz-_^}?ylab/gâzgáq d\t_k_(ab_scedg.[ewrz-_s_sb^cnz[ f ]._#fq _(abc dgpbrfqu X \^dg ZgÁq d\t_n[(d q5b/h-i _scedg.[(w+z-_u_sf+ X Å î? abnjsd[(z\zmb/d+zš["_sf [sb/g.[sb dgi d\t_(z- Z_iªd c(f ]Sg.m_(ab;Zg _sb/g.mb/mªc(b/\tb/z-b^c#zgfc mb^cl_sf mb/\^zm.b y"ab^_(ab^c"_sf+[sb/g.m q5cedwb/[/x a.z[uz[um.f gb# ZŠdíb/ ]b/[s_ˆœè_sf œ š b/g.m dg.m Åuhb/d csœè_sf œ š b/g.mwrb/\ea.dg.zš[(w X Ž X Ÿ ŸŸ ¼ 6 XWW ų[(]x.xlfc(_([ _zy fäwf m.b/[;fqlfxlb^ced _(Z-f g½îm.z[s_scezjs]_sb/mä\tf fcemszg.d _(Z-f gäq ].g.\t_(z-f gæy"z_(a gf \tb/g _scedhœ\tf g_scef huô d\^\tb/[e[ xvf ZŠg_ Õ }Vdg.mxlf Zg _"\tf fcem.zg.d _(Zf gq ].g.\t_(z-f gªy"z-_(a jsd[(b[s_(d _(Z-f gá\tf g _sc(f hhzšgp d\t_(z-*z-_(z-b/[zg Z_([\tb/hhÉX fc YkÅu }wrb/m.z].w d\^\tb/[([ \tf g_sc(f h"x.c(f_sf*\tf hz[;jsd[(b/mòf gþ Å Ô w].h_(z-xsh-b d\^\tb/[([rylz-_(aò\tf hhz[ez-f g d/f ZmSdg.\tb&Õ X f\tfxlby"z_(a g.f Z[siy"Zc(b/h-b/[([ \easdg.gb/h[^} ¼ 6 XWW dhh-f&y"[qvcedwrb/[#_sf jlb q5ced p wb/g _sb/m Zg _sf [(wrdhhb^c xsz-b/\tb/[^}sb/d\eaylz-_(a Z-_([Uf&y"g\ea.b/\(o*[(].w X ced p wb/g _([d c(bnzg.msz- ZŠm.].dhh-i;g ].wnjlb^c(b/m dgsmd\(o*gfrylh-b/mpb/mª]s[(zgp[s_sfxœdgsm*œèy dz_^x å g.\tb \ea.dg.g.b/ha.d[jlb^b/g d\^ ].Z-c(b/m±].[(Zgp íœ šâdg.mòåu LšV}²w].h_(Z-xSh-b;q5ced p wb/g _([ \^dg±jlb+[sb/g _ ZŠg c(frynx fc ¹ Y }~j~d[sb [(_(d _(Z-f gªxlf hhš["].[sb^c [^}~d[so*zgp _(ab/w Z-q`_(ab^iªa.drbq5cedwb/[_sf [sb/g.mªdgsm \tf g _sc(f h[_scedg.[sœ wrz[([ez-f g fcemb^c/x ˆgÂ_(a.Z[#\^d[(b}²_(ab^cebRZ[kgf\tf hhšz[(z-f g?}?dg.m d [(Z-p gb/m ].x ].[sb^ckz[#p ]Sd cedg_sb^b/m±d\tb^c(_(dzg qvc d\t_(z-f g fq`jsdg.mylzm_(a?x d[sb+xlb^cez-f*m.z\^dhšh-ij.c(f dms\^d[s_([ndªjvb/d\tf g qvc dwb}²yla.z\ea \tf g_(dzgs[n[si*[s_sb/wox~d cedwb^_sb^ce[^}%[(]s\ea d[ afx.xszšgpªq5c(b/ ]b/g.\^z-b/[ dg.mæmy b/hh_(zšwb/[ Ô5qvfcR ` #š.š.õ }%\^h-f*\(o±[(i g.\ ac(f g.z /d _(Z-f g?}`b^_(\ X-} dgsmäz_ dh[(f Zg Z-_sb/["gb^yâ].[sb^ce[_sf+[(Z-p g ]xªqvfcxlf hhšzgp[(b^c( ZŠ\tbX ¼ 6 XWW+h-b^_([k_(ab_y fb^c(iám.z«lb^c(b/g _#fxvb^c d _(Z-f gâwf*mb/[^} ¹ ÅU Jdg.mÂYkÅu }½_sf\tf œèbt Z[s_ny"Z-_(a.Zg d\tb/hh`j i \^d c(b^q ].hh-iªm.bt ~g.zgp Zg _sb^c(qvc dwb;_(zwbzg _sb^c(dhèîd q5_sb^ckd qvc dwba.d[ jlb^b/gâ[sb/g_^}²d \tb^ce_(dzg mb/dmá_(zwrb;zš[ c(b/ ].Z-c(b/m jlb^q5fc(bkdgi ].[sb^clwrd/i [sb/g _q5cedwbx X" ab^id c(b.ˆpc(b^b/mi> jsd[sb/m?îzq`d [s_(d _(Z-f gáa.d[d \ea.dg.\tb;_sf _scedg.[(w+z-_^}vz_"y"zhšh½mf [(f c(b^p d c m.h-b/[([lf_(ab^ce[^x ab^i d c(b m.z«ï \^].h-_#_sfá[(\^dh-b _sf hd cepb^c [^X fc;bt *dwx~h-b}%z-q¼ 6 X 0 Z[n].[(b/m q5fc L[^}%jlb/\^d].[(b _(ab^c(bkd c(bk[(f;w+dgi [s_(d _(Z-f g.[/}.\tf hhz[(zf g+y"zšhhsjlb#[sf;q5c(b/ ].b/g_u_(a.d _wrf [s_ufq _(ab#j~dg.my"zm._(a d c(b#yud[s_sb/m?x fcd _sfob/gœècezgp x.cef_sf \tf hé}?_sfob/g y"zhh²_(d ob [(f hf gp _sf pfªd c(f ].gsmæô5_(a.b^c(brd c(b+[sf wrdg iá[s_(d _(Z-f g.[kzšg _(ab#cezg.p} _(a.b^i dhhlyudg _U_sfob/gq5fc_scedg.[(w+Z[([(Z-f gvõ } dg.m d[(_(d _(Z-f g y"zhšhsyudz-_uq5fc_sf frhf gpqvfcd\ a.dg.\tb _sfr_scedg.[ewrz-_^x g+dky µ Y } [s_(d _(Z-f g.[d c(b"\tf g.gb/\t_sb/m _sfnm.]sdh*js].[sb/[%ylz-_(am.z«lb^c(b/g _` SfryØm.Z-c(b/\t_(Z-f gs[^xœy Z-ceb/\t_(Z-f gfqv Sfry f g d js]s[ xvf ZŠg_([ _sfmf&y"g.[s_sceb/dw XR `Z«b/mœ[(Z- ^b 0 œèj i _sb \tb/hh[ y"z-_(a ŽŽ œèj i _sb+xsdri h-f dm d c(b+].[sb/m½x;ÿ d\ea \tb/hhasd[kdjs]s[siæô RÕj~Z-_kdg.m ceb/ ]b/[(_ Ô ônõjsz-_^x š _sc(b/dw fqu\tb/hh[ Sf&y"[nm.fry"g f g d js]s[^x+ qud\tb/hhzš[ f \^\^].xsz-b/m?}.z-_([" j~z-_z[#w Xf ] wrd obdrc(b/ ].b/[s_j i [sb^_s_(zšgp+dr\tb/hhè ž[ô9jsz-_nô Z-q`Z-_Z[ ^b^c(f Õ _sf W X Y µ Y ÅJxSc(f_sf \tf hvz[ gf g pc(b^b/mi}.dg.m [s_(d _(Z-f g.[u ]b/]b]x ZŠgR_(abfcemb^cu_(ab^iRjlb/\^dwbc(b/dmi+_sf [sb/gsm dg.m

8 "!#$%&('*)+-,. )/ _scedg.[(w+z-_zg Œ å fcem.b^c/x š _(d _(Z-f gs["d c(bkxlf hz_sb_sf Z-_([mf&y"g.[s_sceb/dw gb/z-p a jlfce[^}dg.mhb^ (ab/w asd/bnpf Sce[s_Zq f_(ab^ce[lwrd obkc(b/ ]b/[s_([u Sce[s_^X Å f gs[(zmb^cu_(ab#_sc dg.[(wrz[e[(z-f g f gjs]s[ Ô5f gªjs].[ Z[U[(ZŠwRZhd cõ î us R if =0 then :=-1 station n R us if R=1 then R:=R+1 Ÿd\ a [(_(d _(Z-f g asd[ dô@?ú_(a.d _u\tf ].g _([_(a.blg ].wnjlb^c fq?c(b/ ].b/[s_([q5c(f wóz-_([m.fry"g.[(_sc(b/dw [(_(d _(Z-f g.[^x% _ dh[(f a.d[ d?këò_(a.d _ \tf ].g _([ _(ab g ].wjlb^clfqf ]._([s_(dg.m.zg.p+c(b/ ]b/[s_([ Z[([e]b/mjlb^q5fc(b Z_(["f&y"g c(b/ ].b/[s_^x# "f_sb _(a.d (abmfry"gs[s_sc(b/dwãc(b/ ]b/[s_(["\tf wbnq5c(f wãjs]s[ }~d[uif ]jlb/\tf wb/[smfry"gs[s_sc(b/dwf gjs].[ X zq²d[s_(d _(Zf g yudg _([ _sf[sb/gsm [sf wrb^_(a.zgp_sf;z_([ mf&y"g.[s_sceb/dwãô5f g js]s[ Õ }*Z_ [sb^_([ Sce[(_ d/ dzhd j~h-blceb/ ]b/[(_ jsz-_ Zg+d \tb/hh~f g j~].[ _sf W }dg.m \tfxsz-b/[ ô@?»_sf<?#ë X [([(]Swb"_(a.d _ _(abdhš]b"fq?këãd _ _(asz[ wrf wb/g_ Z[ X ab/g _(ab^c(b#d c(b c(b/ ]b/[s_([ q5c(f wó_(ab[(_(d _(Z-f g? ž[umf&y"g.[s_sc(b/dw} dg.m Z-_ua.d[ _sf;h-b^_ q5c(b^b#\tb/hh[ xsd[([ _sfr_(abkmf&y"g.[s_sceb/dw X h[sf}_(abn[(_(d _(Z-f gw ].[s_h-b^_z-_(["]xs[s_sc(b/dwã[(_(d _(Z-f g.[uf g j~].[ o gf&y»z-_([uc(b/ ]b/[s_^} _(a.d _"Z[y"ai Z-_].[sb/[jS].[ _sf+wrd ob dhgijiglknmnoqpsr*tx Ÿd\ aª_(zwrbkdrgf g*œèjs]s[si \tb/hšh?xsd[([sb/["j i}u?#ë Z[Uc(b/m.]S\tb/m j iâw X { ab/g.?#ë mc(fxs[_sfr ^b^c(f}s_(a.bn[s_(d _(Z-f g \^dg_(d ob_(abkgbt *_"gf g*œèjs]s[si \tb/hhlf gªjs].[ _sfr_scedg.[ewrz-_^x X cezmpb/["fxvb^c d _sbd _LmSd _(d+hzg.o hdrib^ch-b^b/hè}~zéxübx _(ab^imf+g.f_bt *dw+zgbk_(ab gb^_y fc(ohdrib^ca.b/dmb^cldg.m [(Zwx~h-iRxSd[(["gb^_y fc(o xsd\(ob^_([/}v].gshz-ob dc(f ]_sb^c/x X" "f_(aszgpá[sxlb/\^zdhéx "ab gb^y³j.c Zmpb+dg.g.f ].g.\tb/[;z-_([sb/h-qudg.mä_(ab [sxsdgsg.zgp_sceb^b dh-pfc Z-_(a.w \tf wxs]_sb/[ d[sxsdgsg.zgp _sc(b^b qvfck_(a.b+gb^y \tf g* ~p ]ced _(Z-f g?x abrgb^y _sfxvf hfpi ylzhhœxs]_#f gb+fq _(a.brj.cezm.pb/[kzg _sf [s_(dg.mj iáwf m.b}²[sfz-_#ylzhhœjlbrd/ dzhd jsh-bd[d[sxsd c(brzšgâ\^d[sbrf gbrfqu_(abf_(a.b^ce[kj.ceb/d o [^XR "ab^c(brz[kg.f h-f fxszgp;x.c(fj~h-b/w X ¼ X cezmpb w].[(_²mb/\^zm.by"a.d _²_sfm.f"y"Z-_(adgZŠg.\tf wrzgpuq5cedwbîœm.z[(\^d c m.[ Z-_²Z-qmb/[s_(Zg.d _(Zf gndg.m [sf ]ce\tb Ì dm.mc(b/[e[sb/[zgr_(ab"q5cedwbd c(b"_(abl[(dwb} fc q5fc(yud cem.[z sfmb/[(_(zg.d _(Z-f grì X Ÿ d\ea j.cezšmpbwrdzg _(dzg.[d a.d[(a _(d j~h-b}shz[(_(zgpdhhl_(abkxlf [([ez-jsh-b mb/[s_(zgsd _(Z-f gdm.mceb/[([ Ù f ]_sxs]._hzgbrô Ì #Õ xsdz-ce[/x { ab/g dj.cezšmpb Z[ Sce[s_ xsh]pnzšg?} Z-_([ a.d[(a _(d jsh-b Z[ b/wx._zi}*dgsm+_(a.zš[ Z[ afryúz-_ Sp ]c(b/[ f ]_ _(ab \tf g* Sp ]ced _(Zf g dg.m ob^b^xs[ ]x?m.d _(ZgpZ-_([UaSd[(a _(d jsh-bî `h-f f*m.zg.pîzg.\tf w+zgp q5cedwb/[y"z-_(a ].g.o gf&y"g mb/[(_(zg.d _(Z-f g.[d c(b [ezwxsh-i qvfcey d cem.b/m _sfádhh%f_(ab^c Ì L[L\tf g.gb/\t_sb/mª_sfr_(ab#j.cezšmpbx d\(o y d cemâhb/d ceg.zgpî j.cezšmpb#pcedm.].dhšh-i h-b/d ceg.["y"a.z\ aªzg _sb^c(q d\tb Z-_\^dgªceb/d\eaÁd a.f [s_ldg.m js].zšhm.[ ]xz-_([asd[(a _(d jsh-b#q5c(f w¾zšg.\tf wrzgp;q5cedwb/[^.[(f ]ce\tbndm.m.c(b/[([sb/[^x Zwb^f ]._^î#y"ab/gb^b^c da.d[(aá_(d jshbrb/g_sceiázš[#wrdmb}²d cecez- dh`_(zwbfqu_(abrq5cedwbrz[ngf_sb/m ZgÁ_(ab b/g_sceix { ab/gb^b^c+d q5cedwb y"af [sb [sf ]c \tb dmsmc(b/[([;dh-c(b/dm.i±zg±_(ab _(d jsh-b d c(cezb/[^}z-_([ b/g _sc(iäzš[ ]x?m.d _sb/m y"z-_(a _(a.z[ugb^yí_(zwbx ¹ b^cez-f*m.z\^dhšh-i}j.c Zmpb"pb^_([uc Zmb"fq²_(af [sb b/g _scez-b/[uwfc(b _(a.dg d qvb^y wrzg ]_sb/[uf hm½x À X å x._(zw+dhz-_i x.cezgs\^z-xsh-bî zq c(f ]_sb^c òz[ f g _(abfxs_(zwrdh%xsd _(a qvc(f wîc(f ]_sb^cnçó_sfcef ]_sb^c?;}²_(ab/gâ_(ab fx._(zwrdhlx~d _(aq5c(f w¾ _sfv?êdh[(frq5dhšh[udh-f gpr_(abk[edwbkc(f ]_sbx 0 6 X" ab#h-b/d[s_ˆœ\tf [(_"xsd _(a q5c(f w¾ç»_sf+èîçw è_(abkh-b/d[s_ˆœ\tf [s_lxsd _(a q5c(f wãç»_sf é;î%çx  Y [Z\ ±é]*_(ab h-b/d[s_ˆœ\tf [s_lxsd _(a q5c(f w¾ç_sf+ë îç^ _ #Z` a?b dce ±ëªx šzgor_sc(b^bnc(f f_sb/m d _"gf*mbkçî R

9 ¼ "!#$%&('*)+-,. )/ z_"p Z-b/[U_(abkfxS_(ZwRdhlxSd _(a.[_sfrb^b^c(igf*mb/[^x H 10 0 W X"Ÿd\ ac(f ]_sb^clw].[(_^î W XV `ZgSmf ]_Z-_([Lg.b/Z-p ajlf ]c [dg.m pb^_l_(ab/zclgb^_zy fc(o dm.mc(b/[([(b/[^x" a.zš["z[lmf gbnj i[sb/g.mszgp+d LŸ Ì Ì å xsd\(ob^_lf g _(abkcef ]_sb^c/ ž[ub/d\ af ]_spf Zg.pRhZgoV}dg.m pb^_s_(zgp+drc(b^xsh-irq5c(f wã_(a.b#c(f ]_sb^c"d (a.bkf_(ab^cb/g.m½x X b/d[(]ceb"_(ab mb/hdrifc \tf [s_ _sfnb/d\ a fq½z-_([g.b/z-p ajlf ]c [^XŒ "a.z[z[ mf gblj ir[sb/gsm.zgpkdg Ÿ Åu å xsd\(ob^ sfr_(abng.b/z-p ajlf ]cudg.mªwb/d[(]c(b#_(a.bkc(f ].g.mœè_scez-x mb/hdrix 0 X Å f g.[(_sce].\t_dkhzšgon[s_(d _sblxsd\(ob^_ Ô ÌŒš ¹ ÕŒ_sfk_sb/hhdhhSZ-_a.d[V (].[s_h-b/d c g_^x% abì`š ¹ \tf g _(dzg.[ Z-_([%Zmb/g _(Z-_i} [sb/ ]b/g.\tbng ].wjvb^cdgsmd pbkq5f hh-fry b/m j i _(abkhz[s_ufq%gb/z-p a jlf ]ce[#ô Zmb/g _(Z-_zi dg.mªhzgo+\tf [(_ Õ X Ž Xlš b/gsm _(a.z[ux~d\(ob^ sf+dhh?_(abf_(ab^c"cef ]_sb^ce[^x abnì`š ¹ [d cebnm.z[s_sc Z-jS]_sb/m j i ~f f*m.zgp;js]._ob^b^xª_(ab Sf f m Zg \ ab/\(o ylz-_(a[sb/ ]b/g.\tbkg ].wjvb^cdgsmd pbzg.qvfcew+d _(Z-f g?x X { ab/grd#c(f ]._sb^ca.d[dhšh*_(ab"윚 ¹ [^} Z-_\^dg \tf g.[s_sce]s\t (ab[(afce_sb/[s_xsd _(a_sfdhhxlf [([(Z-j~h-b m.b/[s_(zg.d _(Z-f gs[^} ].[(Zg.pÄ_(a.b [(afc(_sb/[s_ x~d _(aúc(f ]_(Zg.pÆdhpfceZ-_(a.w Xà a.bâc(b/[(].h-_(zšgpä[ezgoç_sceb^b Z[ _(ab/gú].[(b/mâzgíc(f ]_(ZŠgp mb/\^z[(zf g.[^x 0 X [e[(].wx._(zf g?î² ˆg _(ab#gfcewrdhvfxlb^ced _(Z-f g½} ylab/g+cef ]_sb^cçâq5fc(yud cem.[ud xsd\(ob^ sf;c(f ]._sb^c }Z-_u].[sb/[ _(ab f ]_spf Zgp hzgor_(asd _"hz-b/[uf gd+[(zgo _sc(b^bkc(f f_sb/mªd _" X íb^b^ce[(bxsd _(aæq5fc(y d c m.zgpî { ab/gçdáj.c(f dm.\^d[s_x~d\(ob^_+d c(c Z-b/[d _RdÁc(f ]_sb^c/} _(ab c(f ]_sb^cr\ ab/\(o*[r_sf [sb^brz-q_(a.b x~d\(ob^_nd c(c Z-b/mÁf gá_(abhzgb_(a.d _kz[ gfcew+dhh-i].[sb/máq5fck[sb/g.mszgp+x~d\(ob^_([k_sf _(a.b;[(f ]ce\tb;fq j.c(f dm.\^d[(_^xk zq [sf}?_(ab^c(b;z[ dg bt *\tb/hhb/g_#\easdg.\tb_(a.d _ _(ab jvb/[(_lc(f ]._sb yud[#].[sb/mádg.m _(a.zš[lz[_(ab Sce[(_ \tfx iª_sf d c(c Z-bd (abncef ]_sb^c/xl "abkc(f ]_sb^c_(ab/g qvfcey d cems["_(abxsd\(ob^_#f g _sf dhh hzšgb/[bt \tb^x. (abnf gb Z-_Ud c(cez-b/m f g?x zq }afry b^b^c/}._(ab#x~d\(ob^_"d c(c Z-b/m f gd;hzgbf_(ab^cu_(a.dg _(ab#xsc(b^qvb^cec(b/m f gb#qvfcuceb/d\ea.zg.p _(abn[sf ].ce\tb}._(ab#xsd\eob^_lz["m.z[(\^d cem.b/m d[drhz-ob/hi m.]x~hz\^d _sbx "f_(zš\tb _(a.bd[([(]swx._(z-f g?}vz-_lzš["gfcew+dhh-i _sce]bx" "a.z["w+d ob/[lceb^b^ce[sb xsd _(aªq5fc(yud cem.zg.p+d x.x.c(fr *ZŠwRd _sb/h-i fx._(zwrdhèx 00 X"íf ]_(ZŠgpR[s_sced _sb^pivî Ÿ d\eaªwrfjszh-b af [s_"asd[d;xlb^cewrdgb/g _u. *b/maf wbkh-f*\^d _(Z-f g?x { ab/gd+wfjszh-b af [s_ b/g_sb^c [dg d c(b/d*}?z-_w].[(_"c(b^p Z[(_sb^cLy"Z_(a_(ab qvfceb/z-p g d pb/g _#Zgª\ a.d c(pb fq_(ab d c(b/d*xl a.bnq5fc(b/z-p g d pb/g_ \^dg _(ab/g ZŠgqvfc wê_(ab wfjszh-b ž[ af wbd pb/g_ud _ _(ablwfj~zh-b ž[a.f wbhf \^d _(Z-f g _(a.d _ _(abwrfjszh-b"zš[].g.m.b^c Z-_([S s].cez[(m.zš\t_(z-f g?x { ab/gdxsd\(ob^_z[`[sb/g _`_sf#dwrfjszh-buaf [s_^} Z-_`Z[Œc(f ]_sb/m _sf _(abuwfjszšh-b ž[`af wbudm.mc(b/[([/x ab wfjszhb ž[ af wrbd pb/g _Z[ _(ab/g _(].g.gb/hhšzgpkz-_ _sf;_(ablq5fc(b/z-p g d pb/g _uy"ab^c(b_(ab#wfjszhb"z[u\^]c(c(b/g _(h-i Zg?XÄ ab af wbd pb/g _+\^dgþdh[(f Zgq5fcew _(ab [sf ]ce\tb y"a.b^c(b _(abwfjszhb Z[/}[sfÂ_(a.d (ab[e]js[sb/ ]b/g _ xsd\(ob^_([\^dgjlbk[sb/g _"m.zc(b/\t_(h-i+_sf+_(ab#qvfceb/z-p gd pb/g _^X ab. *b/maf wrbkh-f \^d _(Zf g fc"d pb/g _LwRd ob/[l_(ab#_(a.zg.p [ub/d[(z-b^c/x 0Ž X" `Z«b/mÄaf wb dm.mc(b/[e[kc(b/ ].Z-c(b/[ndg bt *xlb/g.[(z-b+dgsm a ]pb ZŠgb/[s_(wRb/g_^}%d[ Zg y"zc(b/h-b/[([kwrfjszh-b {Á L[^X a.z[uzš[ufx._(z-f g.dhéx fjszhbkd pb/g_"zš[dgd\t_(z-bc(b/[sb/d ce\ aªd c(b/drd _LŸ ÅšVX 0 X z_ Z[%jSd[(b/mRf grcef ]_sblm.zš[(\tfrb^c(ix Åuf g.[(zmb^cg.f mblçjyudg _([_sf [sb/g.m+dnxsd\(ob^_ _sfg.f mbgfnjs]._z-_mf b/[gf_ o g.fryêa.fry»_sf mf+z-_^x "f*mbkçj.c(f dms\^d[s_([ld+í å ËL ŸØí"Ÿ µ ËŸ š* ìô ílíb/ ÕuxSd\eob^_^X { ab/g_(abní"í"b/ G

10 À "!#$%&('*)+-,. )/ xsd\(ob^_ d c(cez-b/[`d _%çn ž[`gb/zp ajlf ]c`gf*mb Ô gb/z-p a jlf ]c²z[œf gb _(a.d _%\^dg;c(b/\tb/z-buq5c(f wif ]~Õ }Z-_`Z[`\ea.b/\(ob/m _sf [(b^b Z-q%Z-_Z["d m.]x~hz\^d _sbkfc gf_ô5qvfcl Sf f m \tf g_sc(f h5õ XL q`_(abx~d\(ob^_#z["d m.]x~hz\^d _sb}~z_lz[lm.z[(\^d cem.b/m?x å _(ab^c(ylz[sb}`z-qu_(ab+ceb/\tb/z-b^c;o gf&y"[;dªq5c(b/[(a c(f ]_sb _sf _(a.b mb/[(_(zg.d _(Z-f g?}`z-_ [sb/g.m.[ dªí å Ë ŸÊí"Ÿ ¹ Ì Ô í"í"b^xvõuxsd\eob^_ jsd\(o _sf _(ab[(b/g.mb^c/}.p Z Zg.pRc(f ]_(Zg.pRZgq5fcewRd _(Z-f g f g af&yê_sf c(b/d\ea _(abnm.b/[s_(zg.d _(Z-f g½} dg.m _(ab#xsc(f \tb/[e[[s_sfxh.f_(a.b^c(y"z[sbkz_uc(b^j.c(f dm.\^d[(_([_(abkílíb/ xsd\(ob^_l_sf+z-_([g.b/z-p ajlf ]c [^X š f+b/z_(ab^cg.f mb ç9pb^_([ _(abncef ]_(Zgp Zgq5fcewRd _(Z-f g j~d\(ojlb^q5fc(bn_(ab;í"í"b/ xsd\eob^_ceb/d\eab/[ gf*mb7f fc/} b^b/g_(]sdhh-i}²g.f mbhfªc(b/\tb/z-b/[#_(abrílíb/ xsd\(ob^_^}%dg.mâz_ceb^xshz-b/[y"z-_(aâd ílíb^xâxsd\eob^_^}`y"a.z\ a ZŠ[#[sb/g_ jsd\(o ].[ezgp;_(abkc(f ]._sb#_(a.d _"í"í"b/ xsd\(ob^_\^dwbzg dgsm _(a.z[ux.cefr*zmb/[uçê_(abkc(f ]_(ZŠgpZgq5fcewRd _(Z-f g?x g cef ]_sb#m.z[(\tf&b^c(i}* Sf f m.zšgp ZŠ[ ]S[sb/m?}[sfwRdg i wb/d[(].c(b/[ud c(b#b/wxshfrib/m _sfob^b^x Sf f*m ZŠg \ ab/\(ov}sdg.m _sf+wrd ob [(]c(b _(abkcef ]_sbnm.z[e\tfrb^c(b/mzš[d;qvceb/[(a Ô hz-b&õ f g.bx 0 XÅ f gpb/[s_(zf g±\tf g _sc(f h Z[k_sfÁmfªyLZ-_(a wrd o*zgp [(]c(br_(a.b [(]j~gb^_n\^dgæ\^d c(c(iâ_(ab f Vb^ceb/m _scedï \ X z_ Z[nd p h-fjsdh Z[([(]b}`Zg f h-*zgpdhh_(ab af [(_([ndg.m c(f ]_sb^ce[^x `h-f&yó\tf g _sc(f h Z[kceb/hd _sb/m _sf _(ab+xlf Zg _ˆœÈ_sf œèxlf Zg scedï \jlb^_y b^b/gáp Z-b/g [(b/g.mb^c dg.mªceb/\tb/z-b^c/xnå f gpb/[s_(zf g \tf g _sc(f h`wb^_(af*m.[\^dg jlbfxvb/gœh-f fx jsd[sb/m fc+zg f h-*zgp qvb^b/mj~d\(ovxþ Œhfry¾\tf g _sc(f h"wb^_(a.f m.[dhy dri [RZŠgf h-bmsz-c(b/\t_;qvb^b/m.jsd\(oäqvcef wýc(b/\tb/z-b^cr_sf [sb/g.mb^crx 0 X?» Ú¼R ªj½}i Ú j Ù [^}(j; 9Wk j Ù [^} k? il j ¼ m ÇW 9W Û [ 0 ¼ XnW X mswrz[([(zf g \tf g _sc(f héî å g.\tb\tf gpb/[(_(z-f g a.d[ jlb^b/gâ[(z-p gsdh-b/m?}?gf wfc(bgb^yê*z-c(_(].dh`\^z-c \^].Z-_([ \^dgájlb [sb^_"]x]sg_(zhl_(a.bkx.c(fjshb/wóasd[pf gbndry drix "a.z[uz[\tce]smb js]_[(zwrxsh-b dg.m b/d[si _sf+mfx XUš*b/h-b/\t_ dh-_sb^c g.d _(Z-bªcef ]_sb/[+_sfæd/f ZŠmÇxSd ce_+fq#_(ab gb^_y fc(oþ_(a.d _ Z[+frb^ceh-f dm.b/m?}zéxübx_sb/wrxvfc d cezh-i c(b^js].zšhm if ]c *Z-b^yêfq gb^_y fc(oj ic(b/wf& ZŠgp+_(af [(b;\tf g.pb/[s_sb/mác(f ]_sb^ce[/}vdg.m q5c(f w _(asz[ˆ_sb/wrxvfc d c(i [(]jsg.b^_^}b/[s_(d jshz[ea d; Z-ce_(].dh?\^Z-ce\^].Z_ _sf d/f Zm \tf gpb/[s_(z-f g?x 0 XV Lb^pf_(Zd _sbr ].dhz-_zi fq\tf g.gb/\t_(z-f g Zg dmdgs\tb}l[(f+_(a.d (ab;gb^_y fc(ox.cefr*zmb^cl\^dg c(b/[(b^c(bj~]* Vb^c [ dg.m f_(ab^clc(b/[sf ]c \tb/[^}p ].d cedg _sb^b/mª_sf+jvb _(ab^cebx 0 À X z_l[(af ].hm dmfxs_"d;y"zgb xlf hz\ti}.zèxübxob^b^xszgprf hšm xsd\(ob^_([dg.mmcefxgb^yâf gb/[^x fcr Vh-b _scedg.[sq5b^c/} dgæf hšmæxsd\(ob^_ Z[;y fce_(aþwfc(b _(a.dgòd gb^yãf gbxò a.z[;z[;jlb/\^d].[(bmc(fx.xszšgp dg f hm xsd\(ob^_kwrdriq5fce\tb wrfc(bx~d\(ob^_([ _sf jvbc(b^_scedg.[ewrz-_s_sb/mæô [(Zg.\tb c(b/\tb/z-b^c y"zhšh½m.z[(\^d c mf ]_ˆœÈfqvœÈfcemb^c xsd\(ob^_([õ X fcl_(a.z[uo*zg.m fq%d x.xshšz\^d _(Z-f g.[^}nˆ_(abkf hšmb^c_(ab#jlb^_s_sb^c*x Ž 6 X" abjsd[(z\lzmb/dz[_(asd _ud \tf gpb/[s_sb/m cef ]_sb^cu[sb/g.m.[ d\ afob xsd\(ob^_u_sf;_(ab [sf ]c \tbaf [(_ y"a.fz[ \^d].[(zg.p _(abx.cefjsh-b/w XØ abaf [s_ Z[Rd[([(]Swb/mÞ_sf±jVb\tf fxlb^ced _(Z-b dg.mòy"zhšhu[(h-fry mfry"gçy"ab/gòceb/\tb/z-b/mþ_(ab ˆy d c g.zgp*x f c(b/ms].\tb;_(abmb/hd/i qvfc#ceb/[sxlf g.m.zgp _sf d \eafobrx~d\(ob^_^} _(a.b;a.fxœèj i œafx d x.xsc(f d\ea ZŠ[ dmfx._sb/m?xáíb^q5b^c;_sf _(a.b q5f hh-f&y"zgp ~p ]c(bx gíô dõ }dáaf [s_zšgæš*dgä cedgs\^z[(\tfòô5c(f ]_sb^cç ÕnZ[ [sb/g.m.zšgp ab/d/ iá_scedï \;_sfªdªaf [s_kzgâ Lb^yÊfc(oÒÔ5c(f ]_sb^c ë Õ } dgsm ëîz[#zšgá_sc(f ]jsh-bx; ˆgÞÔ5jVÕ }²ë [sb/g.m.[nd \eafob xsd\(ob^_ljsd\(o _sf+[sf ].ce\tbkçnx% ˆg Ô \rõ }SyLab/g _(abk\eafobxsd\(ob^_"c(b/d\eab/["_(abkgbt *_Uc(f ]_sb^cuf g _(a.b#c(f ]_sb cr} Z-_q5fc(yud cem.[%_(abl\eafobxsd\(ob^_ _sfn_(a.b"gbt *_c(f ]_sb^c è»d[y b/hh.d[ \^]_([_(ab"m.d _(dn_scedï \Uced _sbl_sfnc(f ]._sb^c ë ZwRwb/mSZd _sb/h-ix "a ].["_(abn\tf gpb/[(_(z-f gªxsc(fjsh-b/wãz[ˆxs].[(aœèjsd\(o>_sfc³dg.m ë pb^_(["c(b/hšz-b^qœ ].Z\eo hix a.zš[ x.c(f*\tb/[([uz[ c(b^xlb/d _sb/m m.fry"g _(abc(f ]_sb ].g _(Zh._(aboˆjSdhŠhpnZ[ jsd\eo+_sf;_(abˆc(f f_;ç}dg.m Z-_ a.d[ _sf;c(b/m.]s\tb _(abkced _sbx

11 "!#$%&('*)+-,. )/ (a) (b) (c) (d) (e) Heavy flow Reduced flow hoke Ž W X" ab;_sb/\easg.z ]b ZŠ[\^dhŠh-b/m _(].g.gb/hzšgpx# ab;w].h_(z-x.c(f_sf*\tf hœc(f ]_sb^c#\tf g.gb/\t_(zg.p _(a.b;[(f ]ce\tb[(]jsg.b^_dg.m _(ab { ¾[(ZwRxSh-i b/g.\^d xs[(].hšd _sb/[_(a.b xsd\eob^_zg _(a.b+xsdri h-f dm± Sb/hŠm fq_(ab {Á Ãx~d\(ob^_Rdg.m±xSd[([sb/[ Z-_n_sfÁ_(ab w ].h-_(z-x.cef_sf \tf hc(f ]_sb^c;d _ _(a.b f_(ab^c;b/g.m±y"af c(b^_scez-b^b/[ _(ab xsd\eob^_;dgsmäzšg ˆb/\t_([ Z- sf _(ab mb/[s_(zgsd _(Z-f g+[(].jsgb^_^x` g+_(a.z[ Zg_sb^c gb^_y fc(o*zgpd xsx.c(f d\ea½} _(ab { âzg+jlb^_y b^b/g d\t_([uhzob"dn[sb^c ZdhShZŠgb fcˆ_(].gsgb/hp*x Ž X z_#z[gb^b/mb/mázg jlf_(a?xkÿb/gázg d \tf g.\^d _sb/g.d _sb/m Z-ce_(].dh«œ\^Z-ce\^]SZ-_"gb^_zy fc(ov}½[sf wbgb^_zy fceo [#dh-f g.p _(ab xsd _(a wrz-p a _Ld\^\tb^x._;W 6 Ž œèj i _sbxsd\eob^_([^}½dg.m f_(ab^ce[wrz-p a _"f g.h-i d\^\tb^x._ Ž ¼&œÈj i _sb;xsd\eob^_([^xl.ced p wb/g*œ _(d _(Z-f gªzš[u[s_(zhh?gb^b/m.b/m?x Ž0 X" "fªx.c(fjsh-b/wx< ].[s_#b/gs\^d xs[(].hd _sb+_(abxsd\(ob^_;zgá_(ab+xsd/i*h-f dmâ ~b/hmáfqudm.d _(d pcedwîjvb/hf gp Zgp _sf_(ab [(]jsg.b^_ujvb/zšgp;xsd[([sb/m _(acef ]p adg.m[(b/g.m Z-_^X