Directions to Raghu's Office Hour

The office hour is in ENS 31NQ Desk #2. The place is slightly tough to find. Here are the directions:
(1) take the elevator down to "LB" (lower basement);
(2) exit the elevator to the right;
(3) keep going down the hallway, which will curve to the right;
(4) enter room 31NR, which will be on your left;
(5) go through 31NR to a smaller room, which is 31NQ;
(6) there are six desks marked 1 through 6.