A. Kanda rimwe, amatara yimbere ninyuma yose azamurika.Nyuma yamasegonda 30, amatara yimbere ninyuma azamurika urumuri kugirango yumve urumuri rwinshi.B. Kanda inshuro ebyiri, amatara yimbere ninyuma azaka kabiri kandi byose bimurika.Nyuma yamasegonda 30, amatara yimbere azimye, kandi amatara yinyuma azamurika kugirango yerekane urumuri rwinshi.C. Kanda inshuro eshatu, kandi amatara yimbere ninyuma azaka inshuro eshatu kugirango azimye
