Situation: I am writing on the board in front of me and thinking I don't want to sit down on the long tables behind me. There is a door on my 1 o'clock direction too.
Alternative situations: I am reading the board waiting for people to come in the door on my right. Erasing the white board to the left of the door, to write something new.
Question: Can I be able to sit on the chair behind me without moving?