Ukwenza lula inkqubo yokucoca ikhephu, abaqulunqileyo bahlaziya uyilo lwefosholo. Isondo eliqhotyoshelwe kwisixhobo senu
Xa kuthelekiswa nefosholo eqhelekileyo, ingcuka yekhephu yekhephu ivumela ukuba uqhube i-2 ikhephu amaxesha ama-3, ubhala "isihloko sopholileyo". Ukulungiselela ukugcinwa kwee-wolf zekhephu zekhephu. Ixabiso lefosholo yi-139 yeedola.