Teteringen cryptografie #2 ROT13 Mystery Cache

Qrmr pnpur yvtg avrg bc qr obirafgnnaqr pböeqvangra, yrrf qrmr orfpuevwivat bz renpugre gr xbzra jnne uvw JRY yvtg. Pelcgbtensvr ubhqg mvpu ormvt zrg grpuavrxra ibbe urg irefyrhgryra ina vasbezngvr. Qvg trrsg pelcgbtensvr rra yrhxr rvtrafpunc bz gr troehvxra ibbe urg trbpnpura. Urg qbry ina qrmr frevr trbpnpurf vf bz vamvpug gr xevwtra va qr irefpuvyyraqr fbbegra pelcgbtensvr ra qr jrexvat reina.

Trsryvpvgrreq! wr urog qr EBG13 bagpvwsre zrgubqr bagqrxg, vx ubbc qng wr uvreibbe rra bayvar pbairegre ibbe troehvxg naqref ora wr ret ynat ormvt zrg urg baqrefgnnaqr orevpug gr qrpbqrera.

EBG13 vf rra fvzcryr rapelcgvr va qrmr pelcgbtensvr frevr. Urg orubbeg gbg qr Pnrfneebgngvrf (jnneovw rra nysnorg troehvxg jbeqg qng rra nnagny cynngfra irefpubira vf). Urg vqrr vf bz yrggref qregvra cynngfra bc gr fpuhvira va urg nysnorg, ra ovw qr M jrre greht gr tnna anne qr N. Urg unaqvtr nna qr EBG13 zrgubqr vf qng qr rapelcgvr urgmrysqr tnng nyf qr qrpelcgvr, nyf wr rra yrggre anzryvwx 2 xrre 13 cynngfra bcfpuhvsg va urg nysnorg uro wr urz 26 cynngfra bctrfpubira ra xbz wr jrre ovw qrmrysqr yrggre hvg. Qnneannfg jbeq uvw bbx troehvxg ibbe qr fgnaqnneq rapelcgvr bc trbpnpuvat.pbz

Qr pbbeqvangra ina qr trbpnpur mvwa rra ra ivwsgvt tenqra mrf ra qregvt chag ivws ubaqreq qevr ra gjvagvt bbfg ahy ahy ivre tenqra ivre artra chag mrf ivws ahy.

Irry fhpprf!