Program structure mission1 is some simple step about how to control the robot mission2 is about how to use the camera to recongize the AR code mission3,4 is free plan: 1. finish the mission1 to got the first 5 points 2. move into the middle part as second part 3. mission 3/4 is the final part about the game. record all the data in the txt then send it to robot line by line