Corridor 7 is
not currently
a corridor
The survey of Cycle 8 established that Corridor 7 is longer on the way back than on the way in. The Bureau accepted the finding, closed the corridor, and did not revise the floor plan, on the grounds that the floor plan is the only version of the building that behaves.
SURVEY EXTRACT · CYCLE 8DO NOT ACT ON THIS
The clerk who completed the survey has asked not to be thanked and has been thanked in writing anyway, which they have logged as a grievance.
WAY BACK
Corridor 7 goes nowhere and is meant to. Nothing is hidden behind it and nothing is required of you here. Every route out of the Bureau is below.