anchor.diff:  
   
   class Game {
  -  int score =  0;
  +  int startingScore =  0;
     int highScore = 0;
  +  int score = 0;
     Stopwatch currentTime = new Stopwatch();
     
     int gameState;
  
positive.code:           if (x < 400 && x > 275 && 
                y < 410 && y > 360) {
              gameType = enumEasyGame;
              score = 20000;
              startGame();
            }
            
            if (x < 575 && x > 450 &&
                y < 410 && y > 360) {
              gameType = enumMediumGame;
              score = 40000;
              startGame();
            }
            
            if (x < 750 && x > 625 &&
                y < 410 && y > 360) {
              gameType = enumHardGame;
              score = 60000;
              startGame();
            }
          }
  
negative.code:        if (click) {
           board.click(x,y);
         }
         score = (startingScore - currentTime.elapsed.inMilliseconds * 0.25).toInt();
          if (board.matchesRequired == 0) {
            if (score > highScore) {
              highScore = score;
            }
            finishGame();  
          }
  