     }
     
     func printList() {
-        
-        
         print("------------------------")
-        
         var text = ""
         var index = 0
         for temp in self.views {

        }
    }
    
    
    func checkGameOver()->Bool{
        
        var succ = true

        
        let nextGrid = self.randomGridNearbyPlaceholder(placeholder)
        
        self.moveGrid(from: nextGrid, to: placeholder, durationPerStep: 0.25, completion: { () -> Void in
            self.swapNum = self.swapNum - 1
            self.atomaticMove(self.swapNum)
