You are inside the bathroom, turn towards your left. Exit the bathroom and reach the white wall. Turn towards your right, you will be able to see a wooden door and three stair case behind it. Move towards the stairs. Stand on the first stair case, here you will be able to see an open passage and two openings of the passage towards left and right. Stand in between of the passages, towards the right opening we will be able to see a exercise room and towards your left opening there is an  open passage. Walk through the passage, and reach the first set of night lamps, between the second two white pillars. This is the end point.