Head out the door from the bathroom in the room you'll see three kind of lounge chairs to your right, turn left. Walk towards the reception area with two white stools and a water cooler on the right. Don't walk forward, turn left into the room right to your left. You'll have a table on the left and a leather chair on the right with some lockers, two doors in front of you. Use the door on the right. You see it's a shower in here, walk straight ahead towards the open glass shower door. Standing on the mat, you're done.