3

public class Aufgabe3 {
    public static void main(String[] args) {
        int width = 400, height = 440;
        StdDraw.setCanvasSize(width,height);
        StdDraw.setXscale(0,400);
        StdDraw.setYscale(0,440);

        int xSquare = 20, ySquare = 20;
        int xRectangle = 40, yRectangle = 40;

        for (int i = 0; i <= 11; i++) {
            for (int j = 0; j <= 10; j++) {
                if(j % 2 != 0){
                    StdDraw.setPenColor(90,90,0);
                    StdDraw.filledSquare(xSquare,ySquare,20);
                    xSquare += 40;

                }else{
                    StdDraw.setPenColor(166,166,76);
                    StdDraw.filledSquare(xSquare,ySquare,20);
                    xSquare += 40;

                }
            }
                if(i % 2 == 0){
                    xSquare = -20;
                }else {
                    xSquare = 20;
                }
                ySquare += 40;

        }


    }
}