(hints)
gur bpnevan vf abg arrqrq sbe gur znmr
tb onpx gb gur svefg nern gb purpx gur 4 cvyynef naq jevgr qbja gurve flzoby naq urvtug/npgvingvba beqre gura ybbx ng jurer gubfr flzobyf nccrne ba gur cvax gnoyrg
(solution)
rnpu ahzore nyfb ercerfragf n qverpgvba (guvf vf jung gur cvax gnoyrg vf sbe)
gur ahzore bs syvrf vf zrnag gb fubj jung qverpgvba lbh arrq gb tb arkg
lbh fubhyq frr fvk syvrf ba lbhe fvkgu zbir vvep
Gunax lbh, V'ir tbg gur cvpxnkr abj!
V unir nyfb svtherq bhg (nsgre arneyl gjb ubhef) gung gur pnir flfgrz ercrngf; vs lbh svaq lbhefrys va n sbhe-jnl fgbc, gur svefg yrsg cngu gnxrf lbh qbja n pbcl, cerfhznoyl sberire, naq gur evtug cngu yrnqf gb n ybpxrq qbbejnl naq fbzr grkg. V jbaqre vs guvf unf gb qb jvgu gur boryvfx va gur fbhgurnfg, naq vs vg pna cebivqr zr n xrl be fbzrguvat sbe gur ybpxrq qbbe, ohg V unir ab vqrn jung V pbhyq qb urer.
jura v gbyq lbh va n cerivbhf ercyl gung lbh unir 2 chmmyrf gb pbzcyrgr gur bgure chmmyr v jnf ersreevat gb jnf gur boryvfx
v qvq guvf orpnhfr v xarj gur pnir znmr jbhyq or jung lbh jbhyq yvxryl gel arkg ohg vf bayl vzcbegnag fvtavsvpnagyl shegure va gur tnzr
v unir ab vqrn ubj lbh znantrq gb ernpu gur raq jvgubhg xabjvat gur 20 fgrc cngu
ohg naljnlf ybbx nebhaq gur boryvfx naq erzrzore ubj lbh tbg gur erfg bs gur cvax gnoyrg
nyfb rirel znmr yvxr chmmyr unf n uvag gb gur pbeerpg cngu fb gevny naq reebe vf abg arprffnel
naq v jbhyq pbafvqre znxvat n arj guernq orpnhfr jr ner qvfphffvat n qvssrerag chmmyr abj
Bx, fb gur frpbaq chmmyr unf gb qb jvgu gur boryvfx naq gur zhfvp chmmyr V hfrq gb haybpx gur abegujrfgrea pnir naq trg gur bgure unys bs gur gnoyrg. V qvq abgvpr n qnexre cngpu fheebhaqvat gur boryvfx gung zngpurf gur zhfvp chmmyr, V'z thrffvat vs lbh sbyybj gur cngu sebz gur chmmyr, vg jvyy yrnq gb fbzrguvat, ohg V pna'g frrz gb svaq nalguvat.
