Puzzle Room 4 -- Luck and Psychology

This room has a channel in the floor that has a ball in it. The operator has to move the ball around the track one revolution. If the operator moves it in the wrong direction, he must roll it back around the track the same number of times it was rolled in the wrong direction, and then the one correct revolution. The operator isn't told when he completes this, but a few minutes later, making it harder to figure out what made it successful. It will also change randomly for each robot and every time the robot is in the room.
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Pictures by Brian Cusack