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GOVERNMENT
COMMUNICATIONS HEADQUARTERS May 1951, the 27th, Dear Mister Rowlett, We have tested the
cipher machine M-209 modified by French.
This machine contains
a Type-Wheel which alphabet can be set. Mr Friedman, in the
past, have already broken several codes. Do you want to
succeed him and trying to break a message ciphered by this new
version of M-209? If you fail to do it, you will give comfort
to us for our decision to advise NATO to adopt it. We can also give you
any information about this new version of M-209. Good luck! GRIFFIN CHILES Commander, U.S. Navy U.S.L.O. OOCQX
ATZJZ NOKWL BCYVV HIYIZ KAMNO IKYZQ WFZCK QWVLN WVCXZ AWTHT
BZDCT YFUZE STXDU GNJIB EFKAS MHEEH XMAGM PIPOB QUMVL MSOCT
CXQSF QZWFM JBZFA GPJPR ZFJZV HAIRU SNUVS OKYFG OVHCQ ZRBUW
TKVDU TEWAH WJNJT ABSEP BAEAK VOKGM ZCKHS FGGMI NSOSM ZYOHS
AUMIG YJEMF ZDTKR IUJXL MQNSM SYXTE GSBWK RCMCC NDTYP BBASW
RRSLS DVHRS KQSBH JQBON USMUY CJXSG HLPOJ UZRKN GMTJT CFNQM
EVMJJ OUQLD OJNFU PEMYH PTRIJ SEQAP VYUUB XONMQ RHVJH HVWFV
IDOIX SDOGA FKDRU IDZZT GOYSU AZTPL IUPVQ NDNBX MQBHN ODPSM
CJIZG QGRSE QAMDZ AYGEM QEGCA SBHXB YTHGJ BJTRV OEZVT NRZSA
NDTRH BFHTX TJFRM SEWUF GDTGB PMIDG MUJOT FUOZF VJFID RQSTT
DZBMP QRRGS NLOJO YCYJE JFYMS DBZFE VFVPO PIPPP EZGTM DSDVZ
SNBXO LOPOZ LNCPM MJODL LLBGB CONTB WRBOL AAWOD LVTOV DOZKX
UOZMW JKZXJ UDDLF SECFG REACM IUFAC SYBEX NTMCZ SSHWN HLLSA
RTDAE FHYPL BRABA IHZTO OEDMJ BIXPB PGVKO KCXDC DUFNQ LBXHC
HAJXQ MWMFS QMTLM AUCUG DQBDB QVPJA LTVIB ZVEKT BMHFJ FSZBD
MWIYL PAQNZ KOOZV ZNZLI NJEFY KFAVW ETPMS ASSIR BVTGQ QVMFO
PIEYI RAUCQ AWGWV HHWEY DZJSW XFFTN HLEON HOVKM PPOLI TTVFK
TDWHW JGWAQ LFQGS ONLBK CXAVT ECCZS CCVYW IDJRM PUBSR FMQAK
EPQFY FFLEL PIMMG FXRLE NOTJG TQDDG OOGZP UODIH PYWSC IBNTV
OFRHK XTZAZ YEASS OKSPB ELOUO MFLTI VFNSC UQTPR WFHXC JBEWG
WMATI EUOTI ZCMDR KEVZM SSFNM TDSEO KSLIQ SFDUK YGRUI QFZHT
CWVDJ ULYJL HVCZJ DSMEK XRNMW ANJQS SRWPQ MWKOJ HEAQQ DINIM
GBJPE NLBHY AWATU GIETJ YLZRF KTPFO GMCQX PZEEB PQTIG KDLDD
TBOZV VKUUZ RUXYH PJNEZ HDRRY UMIQR VMNPP HKLRO FNYWG EXAWU
FTVMF DOUVS AXDXG HXFHF PKLPL QTVOE QPHOC SMOKA DRYSV XQPNU
AVWRP LWECR YIYXG RRVLT SENFG LYWZH QYZJE MUDPH VJITV ZVAMU
EJDRA BRZDT HZMTA VCDOO XMWCA LSCKN CPCEB ROHDP SNBOY OSLYK
JZSQR LIDOB NSNFJ REAIJ YRUEZ VYAOB RMSNO TSXQB DTKOX UNIRD
JEVKE FSEYB NBTLD AGTSF HEMKG VCKSO IBGMK VXIGY ONCRQ OSZJN
MBVWU FNJSX UDATH UFJCP FKIJF KXPKI BHOAO RCTBC RBAHE UDDVZ
FCWWL JBCTE PAOFR AOMSG MDERO JCLMS COFYD JQCDY MCOEY EUZFR
KHWDO SNBQI SRTMN YXFEF XJISM WTMFX VJSXE ZEAJM NYCOU AHFAS
FTVAB BGVML KVMIF VAQOU HEUZA KMMSU SCSXX OORTT UUQFQ MFGRE
ZHUXD EZVET SUKNF FQSJY SCYLH DTNWU FSQPF DDABE DOANU RONUP
RLFJD XKBUQ GKTOY LJVVF SHMWV SVCJO DRVRQ CHQOC UEHOU QDANE
VQCEF CETDY DOMEV RLRFT DLAJU KKKFQ ZALFG USLBX QDGBU BFJGV
RQHKG PDNMJ OUEET HJDWL UFHSK CEGWM CBFIT VXEIH VRAOF AEEEO
UHHBH FAVBK DJBKL CBEBF WWFQQ WDIWI HCHMU TKAKM DSADM UTRNU
HKZDL QXCIO FQELH PJVVC TGXNW XFEJW XXOSB LNUIC BNBGT EVIJN
VTICV XHBCR VQDSU MJAUS BSDHT IBMRD VMOAX HQRRD XIBSB LTPSM
BGHKP JZKXN GATLC ZEPUN CDODB VZFXO JIAQT YFTXR OJELM IDLSD
RTLXD HZXNI RYIMJ RSDBT YFZDP SXVSW SIHWL HTDGM QFUPS FPPOJ
JPKKF LUHTX SHERM EZHLQ JSXPB QXRVX JZTUS MRBIC DTFNM RRNZP
ANGZB SYHPC OBTYB LUZBU BRSRT SUNFI GQSTF SVUXN UOMUO ZAHZF
DCZPI XRFQM ESYOE KMKRM IOORN FSLWX LZRUH ITTDW AAKKB DIALN
EAAHL BJRJJ JIJUC MMRGN NPQMX YKPCF HBDNQ XFULB XNLUF CVYIF
PAONL RQKCU MSKJY IDVNB QSIHG QPSDT MYEMN NPUNX SNYNK QRYHN
TBTKZ XALNH RKEKR IWNKY QJBPO JZJEJ ZTWMN QLSHD KFCKZ DGGIS
OKKGO BWOMR ULQSR YHEPT IQQNG ATPCV FDKWM TMAXO CMEDA WOVRS
SBTER ZPZMZ RJVBC EVUPU GKTTT JFTZV LAEZD EYYYW CNNZM EFANV
YLBYQ HETXI YPBRC YFTCD KBSBC KNWSV ZTFIX KPTJL ECPYH OVEPZ
TBSAU UXJCO ESUDL WCFUL FAKZW HYXBR OWBAI MLDXO ZSUVJ RMEJP
TEGHE OTBTC QEPVP FHNDZ OVWER PSIYP FFBHX EWYYY RHIDX THMPZ
DCFCJ XAQUS LUSSI PUTEE WQVKT IVCTM GZYRD HCJEW LNDVV MSOAW
KEZMS AASOH YRCXZ HCWDQ RJUBI YRJFU MRUXD YSSFG HOMEZ HOTFP
EGESA UPYPQ ZHCFE VIMYN NMTFO HERFS OFLBK VFKRY TQWXO KUMPS
KERMB KCABY QHBIG OQSCH CSTHM EADDR PRZUU ICCVR MZITZ VWLSI
BKMOK CTTOA RGMHY XEIHZ XUDOW QYSSA OPXFT MFJFD KBIWM XGOES
SDYEH DUIHN MKZVT RAVOP IDJGE HCERF CRMCX CHWSJ ULVUG RJCJW
PAAAD RAFYP SJVVV FDOBF DGRSV VUSKK QOOBV QSVQL CMBNE FYZFJ
OOJMG BLITS CPZXM XGBQC OBCAW MOCQD TXXWD TBDVY ZSDOD ZKWGQ
WHOVB AIFRO KMJRC XYLZW AWYJD CODRE UWOMY OAXAG DTEFT KKNSO
VTVQC OAIVD OOPLF MUYLG TUSEW CTUOL LRJWA JFYGL KETNB CBREV
JOXMB KVVCQ SQZIJ WRNAP ZPMNE UQZTT PRSJJ ADZUT NKPGF CYOUT
RXTJG SQTXO DOMHJ MBHIX OGVTE ECPKR INZQC CTFEE UMQLE KQJBV
QQMWU UMKUC QPGWK BSKXJ GGIEY JNTQP SKKSH EKRZX ZQCFF DDUQS
EYRPS BFTOM YDERY ZJAOQ JBJAD AEZIJ IONKO FQQKB ZGYFQ ZPJTL
WZGLV NNFUK OEBVS RYGES PUAFP NBKTO KQWTU QNECY BVAYA VWDJQ
TVQRX NYLVN ZDJED NWXAZ ENOSA EFLNU LUUKY WKWLI RAKHE YBOEK
BZLEB MUXSH BBTFR ZRALJ LUAEY NASBD FAMEB VWRMU OUDNR IHCSL
NNKFF SKKHP SFPVG BOSXZ FJKSY FMQYW GHWOH KCQRZ RYKDK HOULZ
VJKXU UTMOY ECPYV REUOG DNYVL KRYCP DFBUX AOMNT HQUDF FKMFM
NVPOT UPOIW WDOZH OGGRY LJJSZ QEZXE DAMMF SDPDF CNEXQ YHALA
TSBLM PFWCJ OKPAY XHIIT ZHXPB EBCXP UKECA SALFL MSANA MKWID
YEEFE TUFYJ ETPZK NUWYF ITSIZ AOVWV ZDPTO YKMBD JZHOI GNGDK
JGKBM XSECR CRSBD PIHOD ESTQD YUSUM BVKWL NVDBU DBJSU NSWPQ
DHECL MXPGU DJCUL OSQEB JDQMK OYARC LTBCG UCBQG ZOTJO QPCVW
PPBOO ZRQSS DDZMG NUHIS HPCDW UTGPJ FYKLW FWOKY OEUXL NEJTB
KNEXE JVUTD RDYOU UGASQ XZMIU QEFWK ITFSR ZBEGY TAVJE OTSUD
FDWRD RUDVV TWXAS EWZVG TEUSK ZOELV OJVOJ BEZDL AQSTU ZNXJZ
NHKYZ JCBBJ MLIZE GVMLV AFFSH IXKAT IEOEJ YFQTI CVUYZ OIPET
MUDEL DWTBH EVOUK AFBDU ZMTCA RAHZY JYKVI IACQF FAJJW FMRCD
YUHUT YTXCO SMLKU VEGBD YKMYO ZEYND KNFZA PUOKA REGSE VHKCF
CDRJZ MNKTP LPPRD HEZNN OYDUW PCLEX JPMOA YLIUP KOTBN EAKWB
WFCOS TXSKT POAMZ XTRNQ VYOJP RSFIV PESPK EYUFZ YJWBL MDMVV
QSUVD XBTAE EEOON VIGPF FWRUZ JHFSX NKHFB ORNYI ZPGLV CFKQS
GIZNP WXPZM JVZKH PLCDM JZCOT ZPRLS ZBIPP FMAJO FPYWA XKTEP
KRXFM VSMPZ YRQJR YVMNJ TKYFB NEWJG HXDGU YKMIP EMODK VLBTZ
RYFIV PKCZH AKFMQ XBPRX PDOOB DJJQF MASKU DBSBD OWMRV HYAGD
RHIUM NHLDT NBSQZ HTDXC GIJQC ZOFUT FTXGZ UMRVG YPZUN YVTEJ
FFCMM ZXPRR UYWWN CKFCC MRVLQ BUDRS VGEBF ESYMZ RQSMM JTFGY
YSVQS YOBDV MFZAC JSBGT XTUDC KZBFJ KUORV WTFNM TDZTY YFIZN
TIJKD IQYWR KGRYG ZGVSQ EBNKJ XORAI KCZXV KRXMF FIXWR TRNGY
IDIAE VWFWG EJVDU NFZZC KDSBP CHPVR MRGKO XTNUD RHBWI OWFEB
VTOUC KIRGS PVGCW FPKXG EOCCJ VCEUQ XOGTM GEXPE CORBK OSKDE
EFTON KFMLO GKWNP YCRWB JEGSC CBXKF HYXHN QMZFM WYQOX KMNGV
XUZII CGEBC AGADI GHMLU MFPUE BVTQQ YAIBK WTBSV EKQCJ QFKNY
KTYCZ HYKOL GWMWN HCTNJ MJEFM SAVEN NFJTO URMQS ZDBHR IKHCN
IYIOR WPTOR UEXVG YURZE ADHOJ JPPTS OZVOD INUVF DRWZU BOPJW
IGMZS HOERA AMMEK GLHTE VLESP NOCCA ARITS XJOQS VDWQB FTQRG
DSFFQ WZLBV AOSJY MKPKC CTDXN PGKFH EYXMR RPTDB DZWRQ LXDSD
XZZRV XWSHM OXYMH TBCST JMEYN QBTCI QSZTG TEDIA FVWKS ERLSV
XCAXG FOEFA RKTMR WRSSK UXOJX BNDCM WNEFT DMWBE CGCDD POBVH
UWCSR RIGTI EMUKH OSWGS MRZGJ UJOKW ITFGZ MRPKK DCNKJ ETSYW
NFOMC RNFTL BBGVS ZMVDZ NEBDJ FOESN YOMEZ OHIUE UQRJX TMDSS
KFLHF HXRCL BVBCS UFBOY MZKRF AFTSO SDSTX ILIUQ AVYBR SFXHA
YBVBE ISJAN TDSES JHCQN QWWVT RMVRL OUUPK TYUHM UBAIC TWWGP
TYUFI MYSOF MQJNU GFVAT ZZBCT FIVFN MMRXV RUTBZ MGCOA WWKRM
MTBMU KNBOZ NIRFB PFNGD DUOGM YMHRL ABXFU VSUCO GYXRW AAYRO
WEHWT BTOMO FLPCR PIWBF DRCNX GBEIT LDOGR YOCCK BOTGX HMMGE
AAFYT QAAOT HYEFN AQNXY XWZOA UOFBP FMBIR YFBDR KVYJB CXCMR
NWCEK OPTXP KLAFQ UWQDB MBFSI TASQX VGMWC FLWDS GNMIA VILFP
RDXVV YRVNU ONBOV MDGWB SYMCQ YMBRA DACZJ TUSMZ RZBLE HYJXJ
KETTV CNOBL LQRNX ADAFY VOTEO XHEJT TTPAB HGTHJ BOBZI ZUMZV
NEVSI FTRSM TFYUO INQVT JGSGZ APOVM SMUEP WEKTO ZINZH QEHHA
AAOYO JYHAE STANZ KDJUZ OZQWU DAVDL UPUUD WRVCD OXBPH XBJML
WOJWS HIPOG TJNQV WLBFF FEGNF HRPDK ZESYB YLJED NAAPQ JOCBP
SUJUQ EVSDW OWVDX RFWMW LCHSO BWRTX YVUPY ZAITB CWFIL QDYGZ
LZIBU VEBAK GIMLZ EMSBU EKCWO UTKAO JFRIB EVNCB HESNQ EJDVE
VZGWO MHUNG BRCHF UWEIN SSSPS WPDOO NCHIG GFFVY XOTEI PHPNF
KUNCR NAKNB AYDKU JEOEL BVHMA HFPTP UGDLF TIERU EQYMQ ESKXX
CFRKR NIRRO DILQZ OXNXP GHLOS ZICGY HQKSB TLOJH IVLDK JJHWB
OWEDG DVUHD OMEWY JMPQD VTQEA XDBTC ONUEI TVWKT ZJCBJ WKNDO
ACTXZ AYERA VUUGQ CFIVF XPRCI DEHUO OBXHX TAAPL APYXF EPZLZ
LBPYX VWECL AZVGA KWHOC WFZDR NDJAH KGWBR LAWEB CSDTQ RBTOY
XJUOE OMUVX VVAOC AZHDI KZXKC YAAER YPFRZ WQHLI ESKJS GSFSH
WKZGS HNTHD XVYDW WFPCC RDDQN VITTC YGSTK EFJNG CAWFL PRXLB
GECLD OXTAD SKFDP OZABX ZRCVN JCLOR JAICR YRNSV MURRE KTVDK
SRHVL LQCCS UATCT ZVWOS BDLDA FTHCJ VEGUS LUZCZ CBTWM KKGCU
CRAJU EJWCR ZUNDI YKNQK GLCZU MIVWC SGVRX MYAFA BUSCE GKDZN
KARFL TTNZQ ZFLIZ KVUON ICQSP UAOUH RWYMX TZTGA HTKNP BFQEN
GBKCR GYXZF PMTXD SICRU IHBKO ZUWQH ICMDE PHPJD CFUAN WKWFK
GAZHR RYKLP KBWPF MKLAI WXTXN ZCUQI VZQTT BOSLN KROTZ VGGDJ
NYUZQ YMLJL HJFEC SEGOS KDUYP NJLCA CENDR DCWIZ ZFZBC KZIBK
DTVBN DQBWG AHPON |