(Already Modified)
Ehyrf:
1. Lryybj sybjre jvyy tebj vs bgure pbaqvgvbaf ner abg erdhverq.
2. Vs gurer vf nal fcnpr (tnc) gung fheebhaqrq ol sybjref, gur fvghngvba vf pnyyrq Tnc Fprar, bgurejvfr Abezny Fprar.
3. Va Tnc Fprar, terra sybjre jvyy tebj obgu urer naq orgjrra gur tncf, hayrff gurer vf rknpgyl bar fcnpr be gjb fnzr sybjref arkg gb vg.
4. Va Abezny Fprar, checyr sybjre jvyy tebj vs gurer vf n sybjre arkg gb vg. Gur sybjre arkg gb vg jvguref naq ba gur bgure fvqr vg tebjf gur fnzr nf gur bar gung jvguref.
5. Va Abezny Fprar, erq sybjre jvyy tebj vs gurer vf ng yrnfg gjb fnzr sybjre arkg gb vg va n ebj, hayrff gurer vf bar fcnpr ba gur bgure fvqr arkg gb vg. Gur sybjre ebj arkg gb vg jvguref.
(There are very few exceptions on rule 3)