Hebern: 12th Problem

Washington                                May 11, 1924

 

Dear Laurence,

 

For the next challenge, the rotor wiring is known
as well as that of the lampboard (equal to the
identity).

 

In addition we know the beginning and some cribs.

 

Beginning:  On Z June Z two Z oneninezerozero Z

 

Some cribs:

- Z Beijing Z

- Z Boxer(s) Z

- Z legation(s) Z

- Z stop Z

- Z comma Z

 

Keyboard: ABCDEFGHIJKLMNOPQRSTUVWXYZ

Rotor:   GXRMEFQNZCBIAJHPUVWYOTSDKL

Lampboard: ???????????????????????????

 

Good luck !

 

Agnes Meyer Driscoll

 

BUBOW QMOPW JIKTT IHUKN EUGOU CBCRQ EEWOP

GNIMD YFHHN XDLGB GYYBB HAUEE ARUHA CJILD

SDELU RANCF BRJNT YDEGI DOJFD EUEAJ JILNC

UBGLH WXFJV QUNRV OJNQZ WXOHN CBBIZ VAZVR

ENAST LDTNE RKCIL SACQW ONPJJ QJTUV DYGJD

GECWL BSWFB FAEZZ EAJIQ PWGPB SRAGL RPGUJ

JBVOJ QEZQP ZNWNU DWBSM JIISC CIXJQ CFBQG

NHPMF DOOIE GCPKJ PXBIY VCZMR HJPSQ BUDSD

ELMFN GUQBO AMSOP GNIHZ BFHTU NCKXF LVBUB

BOPGO GLERQ CKBPE EBEXC BKCOZ YXLCT JAXMI

QVLXD WKDEI TAQGG QFEJV WGZQG RQCDY NMDEN

XQOVX OKKIZ HTQSM JQPSQ BUDHA ELGBG YYBBF

NOYOW ZAPQC YFBCD