((From
here.))
Although some patients took a great deal of time to memorize their way through the building, Spock's eidetic memory allowed him to remember most details from an area, even if he'd only seen it once. Of course, he'd passed through this hall several times during his reconnaissance assignments. The path to McCoy's quarters wasn't difficult, particularly since the patient blocks had a uniform design.
Even so, that wasn't any reason to let his guard down. Remaining alert, Spock carefully listened for any signs of an impending ambush as he moved through the darkness. A quick glance at his surroundings revealed no other patients aside from himself. That was likely for the best, seeing how Spock didn't wish to keep McCoy waiting longer than necessary.
Given the doctor's current condition, the Vulcan knew he needed to proceed with future interactions as carefully as possible. There was a chance McCoy would leave his quarters if left to his own devices for too long. Moving with purposeful strides, Spock turned into the northern block.
((To
here.))