motorSpeed(4,25); //Set both motors speed to 25%
goFor(2); //run both motors for 2 seconds
motorSpeed(4,20); //Set both motors speed to 20%
goToAbsolutePosition(332); //Run both motor until the AEV reach 12 feets
reverse(4); // reverse both motors
motorSpeed(4,30); // set both motors speed to 30 percents
goFor(1); // run both motors for 1 second
brake(4); // brake both motors