I was working in the new building and it seems to be at level 4. I was walking up and down, as usual and at one stage notice a few of the meeting pods and it seems very nice.
Then I was on my way down, I walk pass a few unfamiliar faces, perhaps new hires that came for interview, I thought. So I keep going down. It seems like I had pass level 4 without realizing it. I was in the lobby, so oh well, I just have to take the lift up again.