CHALLENGE 1 PART A OLEP XLCNS 27ES 1959 EZ NLAELTY ZXPY QCZX ACZQ. GLYOTGPC DFMUPNE TYEPCNPAE ESP DZGTPE XPDDLRP NZYELTYPO GLWFLMWP TYQZCXLETZY LYO L ELYELWTDTYR NWFP NZYNPCYTYR ESP ZMUPNE HP LCP CPBFTCPO EZ CPNZGPC. ESP V3 TD MPWTPGPO EZ MP ESP QTCDE DPCGTYR YFNWPLC AZHPCPO MZLE TY ESP DZGTPE QWPPE LYO TED NLAELTY TD LY PIAPCTPYNPO ZQQTNPC. ESP NSZTNP ZQ ESTD MZLE XLJ TYOTNLEP ESLE ESP DZGTPED TYEPYO EZ DELJ DFMXPCDPO QZC DZXP ETXP, LYO ESTD NZYQTCXD XJ DFDATNTZY ESLE ESPJ OZ YZE SLGP RZZO TYEPWWTRPYNP NZYNPCYTYR ESP WZNLETZY ZQ ESP ZMUPNE. RTGPY TED LAALCPYE OPDTRYLETZY LD L MPLNZY T LX AFKKWPO ESLE ESPCP TD YZ DTRYLW QZC FD EZ QZWWZH. T HZFWO CPNZXXPYO XZYTEZCTYR ESP DAPNECFX QZC FYPIAPNEPO LNETGTEJ YPLC ESP NCLDS DTEP. ZFC CLOTZ CZZX DPYE XP ESP PYNWZDPO DTRYLW HSTNS TD MPWTPGPO EZ SLGP MPPY ECLYDXTEEPO MJ ESP V3 ACTZC EZ OTGTYR. LD JZF ACPOTNEPO TE TD PYNCJAEPO, MFE, TE LAAPLCD, ZYWJ WTRSEWJ, LYO T HTWW PYOPLGZFC EZ OPNTASPC TE BFTNVWJ. XPLYHSTWP T HZFWO CPNZXXPYO ESLE HP TXACZGP DPNFCTEJ MJ STOTYR ESP HZCO DECFNEFCP ZQ ZFC XPDDLRPD FDTYR ESP DELYOLCO 5 WPEEPC MWZNV QZCXLE. PART B IUSXGJKY, OZ OY UAX NOYZUXOI JAZE ZU XKIUBKX GT GXZOIRK UL MXKGZ BGRAK ZU ZNK SUZNKXRGTJ, VXUJAIZ UL ZNK MXKGZKYZ YIOKTZOLOI SOTJY OT ZNK YUBOKZ ATOUT, GTJ ZNK RGHUAX UL ZNK CUXRJ'Y MXKGZKYZ KTMOTKKXY. ZNOY UHPKIZ, GHUAZ CNOIN O IGT YGE TU SUXK GZ VXKYKTZ, OY NOJOTM OT JKKV CGZKXY ATJKX ZNK GXIZOI OIK, GTJ OZ OY UAX VXOBOROMK ZU XKZXOKBK OZ. CK NGBK ZXGOTKJ NGXJ LUX PAYZ YAIN G XURK, GTJ TUC CK NGBK GT UVVUXZATOZE ZU YNUC UAX TGBE PAYZ CNGZ ZNOY HUGZ IGT JU. IUSXGJKY SGROTUBYQO GTJ YNKRKVOT NGBK VKXYUTGRRE XKIUSSKTJKJ UAX IXKC ZU IUSXGJK QNXAYNINKB LUX ZNOY SOYYOUT. YAIIKKJ GTJ VKXNGVY CK CORR HK GRRUCKJ ZNK NUTUAX UL HKOTM ZNK LOXYZ YUBOKZ HUGZ ZU XKGIN ZNK TUXZN VURK ATJKX ZNK OIK. LGOR GTJ CK CORR XKZAXT OT YNGSK ZU UAX LGSOROKY. ZNK NUTUAX UL ZNK YUBOKZ ATOUT ROKY OT UAX NGTJY.