START POSITION: Robot starts facing the wall, any distance within 10 cm.
Robot backs up until it is 35 cm from the wall and stops **you MUST use your ultrasonic sensor for this**
wait 1 sec
Robot turns 90 degrees to the left
wait 1 sec
Robot backs up 10 cm **you will not be able to use your ultrasonic sensor for this **
6.wait 1 sec
7. Robot turns 90 degrees to the right
8. wait 1 sec
9. Robot moves forward until it is 10 cm from the wall **you MUST use your ultrasonic sensor for this**