Ma deg ayen yerzan tiseddarin yura akk isefra-is s yiwet n tseddart, maca tarrayt-is netta ur d-issebgen ara belli d yiwet n tseddart acku yessaxlev gar yefyar, anda i d-ufi$ 3 yefyar s wakat (5  5) = 10 kecmen di tlemmast n 5 yefyar i yura s wakat (7  7)= 14 . Aya yu$al $er tarrayt s wayes yettaru umedyaz-agi axater di tallit deg i yebda tira ur yerri ara lwelha-s $er 144