e=1;
for i=1:2
	for j=1:2
		subplot(2,2,e)
		
		h=plot(0,0);
		hold on
		delete(h)
		
		for k=pi/10:2*pi/10:2*pi
			plot([cos(k) 3*cos(k-(e-1)*pi/10)],[sin(k) 3*sin(k-(e-1)*pi/10)],'k')
		end
	
		axis equal
		axis off
		hold off
		e=e+1;
	end
end

axis equal
axis off
hold off
set(gcf,'color','w')
