Tasical Series Vertical Row ili ndi pad pachifuwa chosinthika komanso kutalika kwa mpando ndipo imatha kupereka poyambira malinga ndi kukula kwa ogwiritsa ntchito osiyanasiyana.Mapangidwe amtundu wa L amalola ogwiritsa ntchito kugwiritsa ntchito njira zazikulu komanso zopapatiza zophunzitsira, kuti ayambitse bwino magulu ofananira a minofu.