size(300,300);

//kihon shikaku
fill(10,0,255);
rect(0,0,100,100);

fill(0,255,0);
rect(100,100,100,100);

stroke(0,0,255);
noFill();
rect(100,180,100,100);

fill(255,0,0);
rect(200,200,100,100);

//hosoi shikaku
fill(0,0,0);
rect(200,0,5,100);

fill(0,0,0);
rect(250,0,5,100);

fill(200,200,200);
rect(250,0,10,100);

fill(240,240,240);
rect(280,0,5,100);