/* built with Studio Sketchpad: 
 *   https://sketchpad.cc
 * 
 * observe the evolution of this sketch: 
 *   https://spagnuolo.sketchpad.cc/sp/pad/view/ro.kTJ3v-tMQnQ/rev.946
 * 
 * authors: 
 *   
 *   Alida Pilson

 * license (unless otherwise specified): 
 *   creative commons attribution-share alike 3.0 license.
 *   https://creativecommons.org/licenses/by-sa/3.0/ 
 */ 



// Name: Alida Pilson
// Date: 18/10/2016
// Title: Circle pattern

size(300,300);

fill(200,200,255);
rect(0,0,300,300);

strokeWeight(5);
stroke(100,100,250);

fill(0,250,250)
ellipse(0,0,300,300);
ellipse(0,300,300,300);
ellipse(300,300,300,300);
ellipse(300,0,300,300);

strokeWeight(20);
stroke(10,100,250);
fill(0,150,255);
ellipse(150,150,100,100);

strokeWeight(15);
stroke(100,100,250);

fill(200,200,255);
ellipse(0,0,200,200);

fill(200,200,255);
ellipse(0,300,200,200);

fill(200,200,255);
ellipse(300,300,200,200);

fill(200,200,255);
ellipse(300,0,200,200);

strokeWeight(10);
stroke(10,100,250);

fill(0,150,255);
ellipse(0,0,100,100);

fill(0,150,255);
ellipse(0,300,100,100);

fill(0,150,255);
ellipse(300,300,100,100);

fill(0,150,255);
ellipse(300,0,100,100);