Vg vf cbffvoyr gb jva sebz obgu cvpgherf 1 naq 2, gubhtu (naq V guvax guvf vf jurer n ybg crbcyr obgu urer naq n guernq ryfrjurer ner trggvat fghpx) qbvat jung vf fubja va gur svefg cvpgher vf abg npghnyyl urycshy.
Lbh ner fyvtugyl pybfre gb gur fbyhgvba va cvpgher 2. Gur zbir lbh ner qbvat gurer vf rkgerzryl pyrire ohg, nffhzvat V haqrefgnaq lbhe vagragvba, abg irel urycshy (gubhtu gur onfvp pbasvthengvba znl freir nabgure checbfr). Lbh qb arrq gb zbir gur onyy bss gur oyhr fjvgpu, ohg znxr fher lbh nyfb haqrefgnaq jul qbvat fb vf hfrshy (V rkcynva va gur cnentencu orybj).
Gurer vf n jnl gb hfr gur yrsg cnffntr orgjrra gur gbc naq obggbz unyirf gb zbir na bowrpg hc, ohg lbh arrq gur onyy bss bs gur oyhr fjvgpu be ryfr gur vairegrq oyhr jnyyf jvyy oybpx lbh. Vs lbh chg gur onyy onpx ba gur oyhr fjvgpu juvyr gurer ner fgvyy guerr bowrpgf ba gur ybjre unys bs gur yriry, lbh ner tbvat gb unir gb zbir vg bss ntnva ng fbzr cbvag, nf bayl gjb bowrpgf fubhyq or va gur ybjre unys ol gur raq.
Gur ernfba jul vg vf hafbyinoyr sebz cvpgher 3 vf orpnhfr lbh ab ybatre unir nal jnl bs zbivat gur onyy onpx bss bs gur oyhr fjvgpu naq lbh unir gbb znal bowrpgf va gur ybjre unys.