بنابرايم ما طرحى را همپوشانى مى‌‌كنيم كه مطمئن شويم بيشتر آپارتمانها كاملاً در آن جهت قرار گرفته‌‌اند. 
So we overlap a pattern that makes sure that most of the apartments are perfectly oriented in that direction. 