6.4.5: checkerboard karel
function start() {

    for(var i = 0; i < 3; i++){
        createRow();
        turnLeft();
        move();
        turnLeft();
        createRow();
        turnRight();
        move(); 
        turnRight();
6.4.5: checkerboard karel How to get it? 6.4.5: checkerboard karel
    }
    createRow();
    turnLeft();
    move();
    turnLeft();
    createRow();
    goHome();
}
function createRow() {
    for(var i = 0; i < 3; i++){
6.4.5: checkerboard karel How to dowload it? 6.4.5: checkerboard karel
        paint(Color.black);
        move();
        paint(Color.red);
        move();
    }
    paint(Color.black);
    move();
    paint(Color.red);
}
    
6.4.5: checkerboard karel PasteShr 6.4.5: checkerboard karel
function goHome() {
    turnLeft();
    for(var i = 0; i < 7; i++){
        move();
    }
    turnLeft();
}
6.4.5: checkerboard karel