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var pantalla = document.querySelector("canvas");
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pincel.fillStyle = "darkgreen";
pincel.fillRect(125,50,350,300);
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pincel.fillRect(265,195,70,100);
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pincel.fillRect(225,240,40,110);
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pincel.fillRect(335,240,40,110);
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pincel.fillRect(175,105,90,90);
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