Tower Inside [A8 Sector] 912F, 塔内【A8区画】912F?, lit. "tou-uchi [ei-8 kukaku] 912efu") is an small zone of the First Tower of Ar tonelico, parallel to 912F from the Tower Inside A7, A8 and A9 Sectors 900~921F area, which can be accessed through the Dividing Gate located in the Blast Plate, or using either of the shuttles located in Tower Inside A7, A8 and A9 Sectors 900~921F.