This sketch is created with an older version of Processing,
and doesn't work on browsers anymore.
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size(475, 500);
background(255, 255, 255);
smooth();
//red
fill(203, 2, 19);
rect(0, 0, 30, 110);
rect(0, 270, 30, 30);
rect(410, 230,50,40);
//blue
fill(4, 2, 203);
rect(150, 0, 60, 42);
rect(400, 485, 90,30);
//yellow
fill(255, 226, 0);
rect(150, 183, 58, 130);
fill(0, 0, 0);
//horizontals from top
rect(0, 42, 500, 13);
rect(40, 170, 480, 13);
rect(0, 300, 500, 13);
rect(140, 475, 400,10);
rect(320, 385, 200, 9);
//verticals from left
rect(30, 0, 10, 300);
rect(140, 0, 10, 500);
rect(200, 0, 10, 300);
rect(320,0,8,500);
rect(336,0,8,500);
rect(360,0,8,480);
rect(400,0,10,500);
rect(460,0,8,300);