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void setup() {
size (480, 480);
background (250, 202, 8);
}
void draw() {
if (mousePressed) {
stroke (255);
fill (0, 0, 0, 30);
} else {
noStroke ();
fill (255, 255, 255, 30);
}
rectMode (CENTER);
rect (mouseX, mouseY, 50, 50);
}