 we don't do it with two at the Farsight Institute we typically do it with eight students at a time all separated so they can't see each other working they're all separated physically with barriers but the point is we teach them the procedures and then we give a target and then all eight work on the target in silence right in silence all separated they can't see each other right and then at the end of the session when we say put your pen down put your pens down