function start(){
    
    move();
    buildTower();
    moveDown();
    move();
    buildTower();
  
}
function buildTower(){
    turnLeft();
    putBall();
    move();
    putBall();
    move();
    putBall();
    move();
    turnRight();
    
}

function moveDown(){
    move();
    turnRight();
    move();
    move();
    move();
    turnLeft();
    
}

function turnRight(){
    turnLeft();
    turnLeft();
    turnLeft();
    
}