import java.awt.*; 

class SquareShape extends Shape {
   SquareShape(World world) {
    super(world); 
    this.color = new Color(204, 102, 204); 
    this.coords = new int[][] { { 0, 0 },   { 1, 0 },   { 0, 1 },   { 1, 1 } };
  } 
}