size(200,200);
background(100,100,255);
stroke(0);
strokeWeight(3);
fill(0,255,255);

int x = 20;

line(x,10,x,height);
x = x + 20;
line(x,10,x,height);
x = x + 20;
line(x,10,x,height);
x = x + 20;
line(x,10,x,height);
x = x + 20;

save("lines.png");