3. Write a robot program to pick parts off a conveyor and load them into a pallet that is about 12 in. from the pickup point. A mechanical stop on the conveyor is used to locate the parts in a known position for the pickup. The parts are to be arranged in a 3 by 4 pattern, 40 mm apart in both directions. The two directions of the pallet are assumed to be parallel to the x and y world coordinate axes of the robot, respectively