20 Naho ku birebana n’ibanga ryera ry’inyenyeri ndwi+ wabonye mu kiganza cyanjye cy’iburyo, n’ibitereko birindwi by’amatara bikozwe muri zahabu,+ izo nyenyeri ndwi zigereranya abamarayika b’amatorero arindwi, naho ibitereko birindwi by’amatara bigereranya amatorero arindwi.+