Hebern: 7th Problem

Washington                                May 8, 1924

 

Dear Laurence,

 

This challenge is very complex. You have no help.

I give you only the cipher text.

 

Happily, the keyboard and lampboard are both

the identity permutation.

 

Good luck !

 

Agnes Meyer Driscoll

 

TWOAV KFYEV CPNMN ZKJON XXZVF MDXWM UNPKJ

OXAFU TXGAP JNZLS QRSTT TJKPB YUXHG XPFIL

ANZOD FFNZJ HBEQK SIOBB FQTJR RWACQ MJEXT

RHLRV ONCVX AADOY FUDNR ZMWRX DWHZW SJKLS

FNGXC GZZVN WXZPN DSMKJ OQNSE XWCJP NIQRW

RXXIP GMXEH VWCUJ SMNCF UPKTY NNMZC DFMYG

KIGBZ BAALH CXIPE VYXRC EFFMA GKFTU WNOUZ

NYDWV LVZGR ZPMTI OIZAW JWEEI SAFLP GGLWF

AGMIF COVBJ GVWVO OZNMJ YRXPW RPXMS TBRHO

JMQJB TODWA XHJGB YIQZH UVOOE DTKGF JWRVS

FVIHI WMWOX FBRXY KQACF WJULS EOBNL GYJQM

SZQIB FGHPG GVYWL RIGGN BECYZ CSCSM LSXUA

EQDBL EDINM RBPVT DEXFF EOBTS AVKFJ CHIGG

ZTSIL YOBPD VXUNO HRTRO UAFDI NMNYS VPXNZ

FMVCR HGODC KEIOY NYZTB IVAQQ ZFMXT TUETA

VJBKO SAQWV EIKAD ZIICI AAOWA GCJXW GVSFC

QVIWY XHIJH UOPXR TJOAJ PWDNB XCGRU WACZQ

NAXHU WSJNN ACATR DHTQV JQQES WRNDS SHMUK

ZMOUB RXWOE GVAAM ZKMFL SGBBG XZKJO HKFUB

EEVMH RLCSM LHKQA CFWJX XFNBM LEXLK OXXZM

WONYG ZTWAJ YLVUV BCQFY WJREF JSLSP RLIVK

RJFWD FNTNK MSRJA ZJAHS AKITJ WNBAL GVOQO

HLWRP XEIIL AUVZL OALOM WUFDP QHRMU ZHDJB

OPHZA EQFBL EDINM CQSYD OAVAH MUTSG KKSZN

XORIO QJIEE GTHID HOUYL ZTIQN SPLLQ NMHEX

LHDCG MVMVA GONJQ DKKND WIMGQ SGYWZ KRMIG

OXDLC WONOX ORYGB RRAVR LPDHQ CSTTT JHZME

USPIW VQKNW AXBIY FLTSQ WJONK OOGWI LUQGR

IAJCD CIUBG BBGXZ KJOLO BWHRD RQOYA FHPNA

OHBEK PKOMU HGGNJ TMWDY ZCDFM HTBBT BJKHI

VODXY YHLPO XSPJK FSTTT JKAMR OYIZV IJFBY

XZNHI FOKOW BJBWS OMLQA VERXP WDCZC DFMHU

HTJOL JCMAW FMRIV YXOQZ BSXXT IRGJX OEUST

RXOBE XVZFD EEKFM AGKAT ZOJMS WRCWB QQYXL

LPIBI GZGOJ JKNVO FWQUJ AEDVP OLCEP FESSG

KCQFL YXWCN NTSIZ VNMOD HQCSS OTBVL BKSXD

GXRHH BKRAC PMIXB YOFCK QAEAE IGGNU KGMOB

PGGFP HUKJW HJPKZ VUFUP BRRKQ UM