Kwambuka: Impinga Icya gatanu Icya kabiri Inzu
Soma: Impinga, Icya gatanu, Amafaranga.
Vertex cyangwa Vertex yerekana aho nuburyo imbaraga zabaye mubuzima bwambere zizagaragara muri ubu buzima. Inzu ya kabiri yerekana amafaranga ashoboka. Uyu mwanya ugira uruhare runini muribi bibazo, ariko bike, kuko ari intege nke cyane. Ibindi