[From
here]
As far as Yuffie could remember, the journey was a straight shot over to the central section of the main hallway; that'd put 'em directly across from the sun room, and then it'd be a quick right turn into the only door. Easy peasy. With her shuriken and the two SOLDIER dudes-Cloud totally still counted, only not-in tow, the little ninja led the way through the doom n' gloom.
Past the stairs, past the waiting room. There we go. "It's just through here," Yuffie said when they were close enough. "We'll be in the entry room. There's two file rooms, one on the left, one on the right."