     
     override init(frame: CGRect) {
         super.init(frame: frame)
+        
         self.backgroundColor = UIColor.clear
-        
         self.drawGameSquares()
     }
 

    
    func drawGameGrid() {
        
        if gridDrawn {
            return
        }
        

        line3.close()
        line3.lineWidth = GRID_LINE_WIDTH
        UIColor.white.setStroke()
        line3.stroke(with: .colorDodge, alpha: 0.5)
        
        // draw line 4
        let line4 = UIBezierPath()
