AI > MemorizeArea3 {
  float similarityThreshold = 0.9f;
  int shrinkPixels = 1;
  RGBImage blobImage;
  static ImageSurface is;
  Pt lastLocation;

  void go {
    // guess
    
    Rect guess = null;
    if (blobImage != null) {
      guess = foundImgToRect(rgbRawImageSearch_searchHereFirst(image, blobImage, similarityThreshold, lastLocation));
      if (guess != null) lastLocation = new Pt(guess.x, guess.y);
    }

    // submit
    
    Rect solution = first(submit(guess));
    
    // learn
    
    bool correct = solution == null ? guess == null : guess != null && solution.contains(centerOfRect(guess));
    if (blobImage != null && !correct && similarityThreshold > 0.01f) {
      similarityThreshold -= 0.01f;
      print("Lowering similarity threshold to " + similarityThreshold);
    }
    
    if (blobImage == null && solution != null) {
      blobImage = image.clip(growRect(solution, -shrinkPixels));
      if (visualize)
        is = showZoomedImage(is, "Memorized Area", blobImage);
    }
  }
}