HINTS TO THE GREAT PYRAMID. All hints are encoded in ROT-13, so you can take one at a time if you'd like. Decode at rot13.com. GRID 1 HINTS 1) Gur pynffvp irefvba bs guvf vf 9k9 2) Vg'f n fhqbxh! 3) Gur pbybhef tvir lbh rkgen nernf gb jbex jvgu. 4) Hfr gur ahzoref 1-4, qba'g jbeel nobhg fvzvyne ahzoref va n ebj be pbyhza. Pbapragengr ba gur nernf (vapyhqvat pbybherq ertvbaf) gb uryc lbh svyy gur tevq. GRID 2 HINTS 1) Lbh znl or bireguvaxvat guvf bar. 2) Gur pryy svyyrq jvgu n + vf yvxr gung orpnhfr vg unf zber +'f guna -'f va vgf gevnatyr. Gur pryy jvgu n - vf svyyrq jvgu gung orpnhfr vg unf zber -'f guna +'f va vg. GRID 3 HINTS 1) Guvf glcr bs chmmyr vf n XraXra 2) Chg gur ahzoref 1-4 va rnpu ertvba fb gung gur pbaarpgrq ertvbaf borl gur zngurzngvpny bcrengbe. (24k zrnaf gur pbaarpgrq pryyf zhygvcyl gb 24) GRID 4 HINTS 1) Hfr gur nafjre jbeqf sebz gur bgure chmmyrf gb svyy guvf va. Frr gur nafjre furrg gb svther bhg juvpu punenpgre tbrf jurer. PUZZLE HINTS 1) Vg'f n clenzvq! Gevnathyne onfrq, gb or cerpvfr. Chg gur fnzr flzobyf va pbearef gbtrgure jura znxvat gur clenzvq. 2) Abj qb fbzr pnrfne fuvsgvat. Sbe gur yrggref bevragrq fb gung gur qbhoyr errqf ner ba gbc bs gur clenzvq, znxr fher gur qbhoyr errqf fgnlf ng gur gbc. 3) Gnxr gur svefg yrggre, Z. Bevrag gur clenzvq fb gung gur erq qbg vf ng gur gbc, naq fcva vg nebhaq. Lbh fubhyq or noyr gb ernq: 'Z-4'. Gung'f na vafgehpgvba. 4) Gnxr gur frpbaq yrggre (vaqvpngrq ol n terl 2 haqrearngu gur yrggre). Bevrag gur clenzvq fb gur yrggre vf hcevtug. Bapr ntnva, fcva gur clenzvq nebhaq, guvf gvzr ybbxvat ng nalguvat gung bpphcvrf gur fnzr eryngvir cbfvgvba ba gur snpr nf gur F qbrf. Lbh fubhyq trg n zrffntr ntnva: 'F+4', nabgure pnrfne fuvsg ('J').