The Sed festival, for example, celebrated the thirtieth year of an Egyptian pharaoh's rule and then every three (or four in one case) years after that.
Daɣ almital tamadacht tan Sed i taj amud net daɣ 30 n awatay n axakam n Farɣawna wan Masar tolas hak karad (meɣ akkoz alwaq iyyan) iwityan darat awa