E ʻimi i ʻelua pōhaku like like me ke ala ākea ma waena o lāua. ʻAʻole e ʻoi aku ma mua o ʻelua huli ʻana he 90-degere ma waena o nā pōhaku. E hoʻohana i kāu ʻiole e kaomi i kekahi pōhaku, a laila kekahi, e wehe i lāua mai ka papa. E hana hou a pau nā pōhaku.