Chapter 5: Analysis of a four-wheel Hagelin cipher machine

---Problem

We use the wheel 23, 21, 19, 17

The cryptogram:

   KLLSF FKKAZ OMJFS XMQJH KPJOR DVZZM UQQUK BHMBI ALYFN IXBVU 
   WBIYA LTQZE FYGJV GHHAR FQUKS DXMMX WWAUN KWJBP RHLHQ ZAVOL 
   SAGUQ EQSSS AQLAQ IPHJP FKIOW QDOHO YWYAD PWACM EUBPI OGMXG 
   PQUVP ECVFR AGFHA JQWPM CUWDW PBHBX XPPEH UMMBU WWMBT AGPPS 
   INZTM PAVNL YEIBF SBXLG KVMQE YONSK ELWEK LXDKU KMRHC NNKBA 
   IWZUB AKUWS CFORM HLXDD EKXFU HPQWI GHJBJ RALRH UFGMV SPEDQ 
   GGHAK IAQUL PQSUO IVAHX ZYQLC MWUQU IPQPH MTRDJ BJQAM BNGRS 
   EVIRV MDVET MFXTC RBMXE VDWIA TGRSR KRACH APNOV MSAGB ZUYRS 
   EPMEJ GLQTS LBDJO YPPTZ MSGHU AIIWN XCLBT EACSO JDRWU SIYJB 
   AFVQU EIXSS QUAEN KUKWK XHRZU TKLHD MFILL ONEEJ XXYMU YZUHM 
   MVXFP OFMBE JHEMT DFLAB YPKRM SUMYQ PHAYZ BOLRC MHECK PJBGK 
   XZPDD WKIOL AKCMO JCGMT FLPVT GDUKA XMXHT XHPSG SLBGG YWLMA 
   MDXTM HZPLQ HGMBM WDCXM YOHBR DEEXL ACAQF QNPAQ MAEWX CXRST 
   JEIJG EVYXQ XSJVN EEIEP JZPVX YVSJQ EUOYE IXLHJ CTIXD QDYCX 
   REFKC OLLJV KDUWX SRWMD IIOWM WJTKC HAWBE RTVLJ XBDJG MROHS 
   MBNMB RWJLR FHSKJ AHFPS XXRQG GXLAD XYLJL MFTJL MDMHE AWUEM 
   HFLRF QPSEV ENTFV RLSMB LIBHL EAVCL KVIAI UHPXB LKFDB CMIWX 
   LWLIV KSPOJ THQMR WEOVJ WBXTM

Hint 1 (in caesar cipher): 
WKHUH DUH HOHYHQ OXJV IURQW RI WKH ZKHHO WZHQWBWKUHH
Hint 2: WKHUH DUH QLYH OXJV IURQW RI WKH ZKHHO VHYHQWHHQ
Hint 3: WKH WHAW EHJLQV EB : "DOOLHG DGYDQFHV"
Hint 4: WKHUH LV RQOB RQH OXJ IURQW RI WKH ZKHHO WZHQWBRQH
Hint 5: WKHUH DUH WZR RYHUODSV ZKLFK LQYROYH ZKHHO QLQHWHHQ