Tasical Series Vertical Row ifite isanduku ihindagurika yigituza nuburebure bwintebe kandi irashobora gutanga umwanya wo gutangira ukurikije ubunini bwabakoresha batandukanye.Igishushanyo cya L gishushanya cyemerera abakoresha gukoresha uburyo bwagutse kandi bugufi bwo gufata imyitozo, kugirango barusheho gukora neza imitsi ihuye.