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int n = 0;
color colour[] = {#E520B8, #932DD3, #356DAF,
#37E3AB, #C4F507,#F2A838, #F2988E};
int x[] = {0, 100, 200, 300, 400};
int y[] = {0, 100, 200, 300, 400};
void setup() {
size(500, 500);
background(255);
frameRate(10);
noStroke();
}
void draw() {
background(255);
fill(colour[int(random(colour.length))]);
rect(x[int(random(x.length))], y[int(random(y.length))], 100, 100);
}