Code.org 5.9

function drawStep(){
  moveForward();
  turnLeft();
  moveForward();
  right();
}

function right(){
  turnLeft();
  turnLeft();
  turnLeft();
}

function drawSide(){
  drawStep();
  drawStep();
  drawStep();
  moveForward();
  right();
}

drawSide();
drawSide();
drawSide();
drawSide();