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function setup() {
createCanvas(400, 400);
}
function draw() {
background(0);
for(var i = 0; i < 400; i += 10){
stroke(134,53,163)
strokeWeight(3)
line(100,i,i,50)
} // end for 1
for( var j = 10; j < 300; j += 30){
stroke(67,194,23)
strokeWeight(20)
line(200,40,j,j)
}// end for 2
for( var k = 25; k < 250 ; k += 100){
stroke(23,100,205)
strokeWeight(15)
line(200,k,k,250)
} // end for 3
} // end draw