Gilligan turned around and headed back down the staircase, believing he finally figured out how the hallway worked. These doors took him back to were he started. So we're would his start take him?  He reached the three sets of doors and took the one on the left as a shortcut back to the other end of the hall. He closed the door, turned around, closed and reopened the door, and headed up the stairs that appeared, hopefully taking him somewhere other then were it originally had.