Kwambuka: Impinga Hexagon Wibande
Soma: Impinga, Boneka, Wibande.
Urugo rwerekana aho nuburyo dushobora kwerekeza imbaraga zacu, kugirango tugere kubisubizo byiza bishoboka. Vertex cyangwa Vertex yerekana aho nuburyo imbaraga zabaye mubuzima bwambere zizagaragara muri ubu buzima. Muri ibyo bibazo urakora kandi ugahora uhindura ibintu neza hamwe nubutsinzi. Ibindi