diff --git a/.idea/encodings.xml b/.idea/encodings.xml
new file mode 100644
index 0000000000000000000000000000000000000000..15a15b218a29e09c9190992732698d646e4d659a
--- /dev/null
+++ b/.idea/encodings.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding" addBOMForNewFiles="with NO BOM" />
+</project>
\ No newline at end of file
diff --git a/sg_dist.iml b/sg_dist.iml
index 26db12c9c2267aa8a29c059b94b6848a81860c0f..bfc53fbcabf9c8dd51b8816710d62a7cc9f6227e 100644
--- a/sg_dist.iml
+++ b/sg_dist.iml
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <module type="JAVA_MODULE" version="4">
-  <component name="NewModuleRootManager">
-    <output url="file://$MODULE_DIR$/bin" />
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
     <exclude-output />
     <content url="file://$MODULE_DIR$">
       <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
diff --git a/src/edu/bu/ec504/spr19/sameGame/sg.java b/src/edu/bu/ec504/spr19/sameGame/sg.java
index ee42b852b32d36b02bfee51295f0fae3feccac18..bb9ecfb3257e47f17dc07dada211ff2794b61427 100644
--- a/src/edu/bu/ec504/spr19/sameGame/sg.java
+++ b/src/edu/bu/ec504/spr19/sameGame/sg.java
@@ -1,17 +1,16 @@
 package edu.bu.ec504.spr19.sameGame;
 
-/*
-   An implementation of the "samegnome" game, possibly with a computer-aided solver.
-   Written by Prof. Ari Trachtenberg, January 20, 2019.
-*/
-
-
 import java.awt.BorderLayout;
 import java.awt.FlowLayout;
 import java.awt.GridLayout;
-import java.awt.event.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.ItemEvent;
+import java.awt.event.ItemListener;
+import java.awt.event.KeyEvent;
 
 import javax.swing.ButtonGroup;
+import javax.swing.JApplet;
 import javax.swing.JDialog;
 import javax.swing.JFrame;
 import javax.swing.JLabel;
@@ -30,123 +29,126 @@ import edu.bu.ec504.spr19.Brain.Brain;
 import edu.bu.ec504.spr19.Brain.lazyBrain;
 import edu.bu.ec504.spr19.Brain.simpleBrain;
 
+// Ari's implementation of the "samegnome" game, possibly with a computer-aided solver.
+
 class sg extends GUI implements ActionListener,ItemListener {
 
-    // constants
-    private static final int DEFAULT_WIDTH =15;
-    private static final int DEFAULT_HEIGHT =10; // sizes in terms of numbers of circles
-    private static final int DEFAULT_WINDOW_WIDTH =500;
-    private static final int DEFAULT_WINDOW_HEIGHT =300; // default window size, if run as a standalone application
-    private static final int NUM_COLORS = 3; // the number of colors available for circles
-    private static final int DISPLAY_TIME = 1000; // number of milliseconds to display (highlight) a move before actually making it
-    static private final int SINGLE_CIRCLE_PENALTY = -10; // the penalty for clicking on a single circle
-    private static final String HIGH_SCORE_FILE =".highscores.db"; // where high scores are kept
-    private static final long serialVersionUID = 1L; // required for serializability
-
-    // fields
-    final JLabel regionPoints = new JLabel("0"); // keeps track of the number of selected points
-    final JLabel totalPoints = new JLabel("0");  // keeps track of the total number of points so far
-    private int width = DEFAULT_WIDTH, height= DEFAULT_HEIGHT; // initial width and height of the array of circles
-    private SelfAwareCircle circles[][];
-    private String highScoreName = null;    // the name to use for the high score
-
-    // ... GUI elements
-    private JPanel circlePanel; // the panel containing the circles
-    private JPanel textPanel;   // the panel containing scoring information
-    // ... ... menu items
-    private JMenuItem changeBoard;
-    private JMenuItem quitGame;
-    private JRadioButtonMenuItem noPlayerMenuItem,simplePlayerMenuItem, lazyPlayerMenuItem, // various automatic player options
-            smarterPlayerMenuItem;
-
-    // ... Brain elements
-    private Brain theBrain;                   // the Brain (automated player) for the game
-    private Thread brainThread;               // the thread that will run the Brain
-
-    // Public access methods
-
-    /*
-     * Default no-args constructor
-     */
-    private sg() {
-        super("Ari's sameGame");
-        try {
-            SwingUtilities.invokeAndWait(
-                    this::setupGUI
-            );
-        }
-        catch (Exception e) { System.out.println("Saw exception "+e); }
-    }
-
-    /*
-     * Returns the color of the circle at location [xx][yy], or NONE if the circle has been cleared
-     * @param xx must be between 0 and width
-     * @param yy must be between 0 and height
-     */
-    public CircleColor colorAt(int xx, int yy) {
-        if (circles[xx][yy].isCleared())
-            return CircleColor.NONE;
-        else
-            return circles[xx][yy].clr;
-    }
-
-    /*
-     * Returns the width of the current board
-     */
-    public int boardWidth() {
-        return width;
-    }
-
-    /*
-     * Returns the height of the current board
-     */
-    public int boardHeight() {
-        return height;
-    }
-
-    /*
-     * Returns true iff the game is over
-     * (i.e. every circle is surrounded by cleared circles or circles of a different color)
-     */
-    public boolean gameOverQ() {
-        for (int xx=0; xx<width; xx++)
-            for (int yy=0; yy<height; yy++) {
-                if (!circles[xx][yy].isCleared()) {
-                    CircleColor myColor = circles[xx][yy].getColor();
-                    // check its neighbors
-                    if (sameColor(myColor,xx-1,yy) ||
-                            sameColor(myColor,xx+1,yy) ||
-                            sameColor(myColor,xx,yy-1) ||
-                            sameColor(myColor,xx,yy+1))
-                        return false; // the game has not ended
-                }
-            }
-
-        return true; // there are no viable moves
-    }
-
-    /*
-     * "Clicks" on the circle at location (xx,yy)
-     */
-    public synchronized void makeMove(int xx, int yy) {
-
-        circles[xx][yy].mouseEntered(null);  // pretend the mouse was pressed at location (xx,yy)
-        try {
-            Thread.sleep(DISPLAY_TIME);          // wait a bit for the user to register the move
-        } catch (InterruptedException ignored) { }
-        circles[xx][yy].mouseExited(null);
-        circles[xx][yy].mousePressed(null);
-        circles[xx][yy].mouseReleased(null); // pretend that the mouse button was released at the location
-    }
-
-    /**
-     * @return the score achieved from clicking on a region of length <b>level</b>
-     */
-    final public int score(int level, CircleColor theColor) {
-        int tmp;
+	// constants
+	static public final int defaultWidth=15, defaultHeight=10; // sizes in terms of numbers of circles
+	static public final int defaultWindowWidth=500, defaultWindowHeight=300; // default window size, if run as a standalone application
+	static public final int numColors = 3; // the number of colors available for circles
+	static public final int displayTime = 1000; // number of milliseconds to display (highlight) a move before actually making it
+	static public final String highScoreFile=".highscores.db"; // where high scores are kept
+	private static final long serialVersionUID = 1L; // required for serializability
+
+	// fields (all static - only one instance of the game should be running at a time)
+	final JLabel regionPoints = new JLabel("0"); // keeps track of the number of selected points
+	final JLabel totalPoints = new JLabel("0");  // keeps track of the total number of points so far
+	private int width = defaultWidth, height=defaultHeight; // initial width and height of the array of circles
+	private SelfAwareCircle circles[][];
+	private String highScoreName = null;    // the name to use for the high score
+
+	// ... GUI elements
+	private JPanel circlePanel; // the panel containing the circles
+	private JPanel textPanel;   // the panel containing scoring information
+	// ... ... menu items
+	private JMenuItem changeBoard;
+	private JMenuItem quitGame;
+	private JRadioButtonMenuItem noPlayerMenuItem,simplePlayerMenuItem, lazyPlayerMenuItem, // various automatic player options
+		smarterPlayerMenuItem;
+
+	// ... Brain elements
+	Brain theBrain;                   // the Brain (automated player) for the game
+	Thread brainThread;               // the thread that will run the Brain
+
+	// Public access methods
+
+	/*
+	 * Default no-args constructor
+	 */
+	public sg() {
+        super("Ari's samegame");
+		try {
+			SwingUtilities.invokeAndWait(
+					new Runnable() {
+						public void run() {
+							setupGUI();
+						}
+					}
+			);
+		}
+		catch (Exception e) { System.out.println("Saw exception "+e); }
+	}
+
+	/*
+	 * Returns the color of the circle at location [xx][yy], or NONE if the circle has been cleared
+	 * @param xx must be between 0 and width
+	 * @param yy must be between 0 and height
+	 */
+	public CircleColor colorAt(int xx, int yy) {
+		if (circles[xx][yy].isCleared())
+			return CircleColor.NONE;
+		else
+			return circles[xx][yy].clr;
+	}
+
+	/*
+	 * Returns the width of the current board
+	 */
+	public int boardWidth() {
+		return width;
+	}
+
+	/*
+	 * Returns the height of the current board
+	 */
+	public int boardHeight() {
+		return height;
+	}
+
+	/*
+	 * Returns true iff the game is over
+	 * (i.e. every circle is surrounded by cleared circles or circles of a different color)
+	 */
+	public boolean gameOverQ() {
+		for (int xx=0; xx<width; xx++)
+			for (int yy=0; yy<height; yy++) {
+				if (!circles[xx][yy].isCleared()) {
+					CircleColor myColor = circles[xx][yy].getColor();
+					// check its neighbors
+					if (sameColor(myColor,xx-1,yy) ||
+							sameColor(myColor,xx+1,yy) ||
+							sameColor(myColor,xx,yy-1) ||
+							sameColor(myColor,xx,yy+1))
+						return false; // the game has not ended
+				}
+			}
+
+		return true; // there are no viable moves
+	}
+
+	/*
+	 * "Clicks" on the circle at location (xx,yy)
+	 */
+	public synchronized void makeMove(int xx, int yy) {
+
+		circles[xx][yy].mouseEntered(null);  // pretend the mouse was pressed at location (xx,yy)
+		try {
+			Thread.sleep(displayTime);          // wait a bit for the user to register the move
+		} catch (InterruptedException e) { }
+		circles[xx][yy].mouseExited(null);
+		circles[xx][yy].mousePressed(null);
+		circles[xx][yy].mouseReleased(null); // pretend that the mouse button was released at the location
+	}
+
+	/**
+	 * @return the score achieved from clicking on a region of length <b>level</b>
+	 */
+	final public int score(int level, CircleColor theColor) {
+	    int tmp;
 
         if (level==1)
-            return -SINGLE_CIRCLE_PENALTY;
+            return -10;
         else
             tmp = (int) (level * Math.log(level));
         switch (theColor) {
@@ -157,355 +159,362 @@ class sg extends GUI implements ActionListener,ItemListener {
             default:
                 return 0;
         }
-    }
-
-
-    /*
-     * setupGUI helper
-     *   - adds to circle[ii][jj] a SelfAwareListener of circle[xx][yy] as 0<=xx<width and 0<=yy<height
-     * @param ii = x coordinate of the circle to whom we will be listening
-     * @param jj = y coordinate of the circle to whom we will be listening
-     * @param xx = x coordinate of the listener circle
-     * @param yy = y coordinate of the listener circle
-     */
-
-    private void addNeighbor(int ii, int jj, int xx, int yy) {
-        if ((0<=xx && xx<width) &&
-                (0<=yy && yy<height))
-            circles[ii][jj].addSelfAwareListener(circles[xx][yy]);
-    }
-
-    /**
-     * Setup the initial screen items
-     * NOTE:  must perform cleanUp() first if there is already a GUI set up on the screen
-     */
-    void setupGUI() {
-
-        // set the layout style for the whole app
-        setLayout(new BorderLayout());
-
-        // ... set up the menus
-        JMenuBar menuBar = new JMenuBar();
-
-        // ...... File Menu
-        JMenu menu = new JMenu("File");
-
-        changeBoard = new JMenuItem("Change board");
-        changeBoard.addActionListener(this);
-        menu.add(changeBoard);
-
-        quitGame = new JMenuItem("Quit");
-        quitGame.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_Q, InputEvent.META_MASK));
-        quitGame.setMnemonic('Q');
-        quitGame.addActionListener(this);
-        menu.add(quitGame);
-
-        menuBar.add(menu);
-
-        // ...... Automatic play Menu
-        menu = new JMenu("Automatic play");
-        ButtonGroup group = new ButtonGroup();
-
-        noPlayerMenuItem = new JRadioButtonMenuItem("none");
-        noPlayerMenuItem.addItemListener(this);
-        noPlayerMenuItem.setSelected(true); // i.e. the default item
-        group.add(noPlayerMenuItem);
-        menu.add(noPlayerMenuItem);
-        menu.addSeparator();
-
-        simplePlayerMenuItem = new JRadioButtonMenuItem("Simple player");
-        simplePlayerMenuItem.addItemListener(this);
-        group.add(simplePlayerMenuItem);
-        menu.add(simplePlayerMenuItem);
-
-        lazyPlayerMenuItem = new JRadioButtonMenuItem("Lazy player");
-        lazyPlayerMenuItem.addItemListener(this);
-        group.add(lazyPlayerMenuItem);
-        menu.add(lazyPlayerMenuItem);
-
-        smarterPlayerMenuItem = new JRadioButtonMenuItem("Smarter player");
-        smarterPlayerMenuItem.setEnabled(false); // disabled for this version
-        smarterPlayerMenuItem.addItemListener(this);
-        group.add(smarterPlayerMenuItem);
-        menu.add(smarterPlayerMenuItem);
-        menuBar.add(menu);
-
-        this.setJMenuBar(menuBar);
-
-        // ... set up the circle panel
-        circlePanel = new JPanel(new GridLayout(height,width));
-        // allocate circles
-        circles = new SelfAwareCircle[width][height];
-
-        // ..... set up some circles
-        for (int jj=0; jj<height; jj++)
-            for (int ii=0; ii<width; ii++)
-            {
-                CircleColor foreColor = CircleColor.randColor(NUM_COLORS);
-
-                // establish the button
-                circles[ii][jj] = new SelfAwareCircle(foreColor,ii,jj,this);
-                circlePanel.add(circles[ii][jj]);
-            }
-        // set up listeners in the area
-        for (int xx=0; xx<width; xx++)
-            for (int yy=0; yy<height; yy++) {
-                // add all neighbors
-                addNeighbor(xx,yy,xx,yy-1);
-                addNeighbor(xx,yy,xx,yy+1);
-                addNeighbor(xx,yy,xx-1,yy);
-                addNeighbor(xx,yy,xx+1,yy);
-            }
-
-        add(circlePanel,BorderLayout.CENTER);
-
-        // ... set up the text panel
-        textPanel = new JPanel( new FlowLayout());
-        textPanel.add(new JLabel("Selected len: "));
-        textPanel.add(regionPoints);
-        textPanel.add(new JLabel("")); // i.e. blank
-        textPanel.add(new JLabel("Total pts: "));
-        textPanel.add(totalPoints);
-        add(textPanel,BorderLayout.SOUTH);
-
-        validate();
-        repaint();
-    }
-
-    /*
-     * Performs any clean up actions needed before setting up a new GUI
-     */
-    void cleanUp() {
-        // Removes elements for garbage collection
-
-        // close down the brain
-        highScoreName=null;
-        if (theBrain != null)
-            theBrain.allDone();
-
-        // score panel
-        totalPoints.setText("0");
-        textPanel.setVisible(false);
-        textPanel=null;
-
-        // circles
-        for (int ii=0; ii<width; ii++)
-            for (int jj=0; jj<height; jj++) {
-                circles[ii][jj].removeMouseListener(circles[ii][jj]);
-                circles[ii][jj]=null;
-            }
-
-        // circle panel
-        circlePanel.setVisible(false);
-        circlePanel=null;
-
-    }
-
-    /*
-     * Returns true iff circles[xx][yy] has color theColor, is not cleared, AND (xx,yy) is within the range of the board
-     */
-    private boolean sameColor(CircleColor theColor, int xx, int yy) {
-        if (xx<0 || yy<0 || xx>=width || yy>=height || circles[xx][yy].isCleared())
-            return false;
-        else
-            return circles[xx][yy].getColor().equals(theColor);
-    }
-
-    /*
-     * Moves circle c1 into location c2, leaving c1 as a clear circle that
-     * does not receive mouse events
-     */
-    private void moveCircle(SelfAwareCircle orig, SelfAwareCircle dest) {
-        // copy the immutable, position independent values
-        orig.copy(dest);
-
-        // clear the top item
-        orig.setClear();
-    }
-
-    /*
-     * Called to request a reshifting of the board (as necessary).
-     *    This should happen if some circles are rendered "clear"ed
-     *    @return true if game continues; false otherwise
-     */
-
-    final boolean shiftCircles() {
-        /* start at the bottom and move up ... all cleared circles are
-         *    removed, with upper circles falling into their positions;
-         *    if a column is totally empty, then its rightmost columns
-         *    shift into it
-         */
-
-        // 1.  SHIFT VERTICALLY
-        for (int xx=0; xx<width; xx++) {
-            int firstClr = height-1;  // the lowest cleared entry in the column
-            int firstFull = height-1; // the lowest uncleared entry in the column that has not yet been processed
-            boolean moveOn = false;      // set to true in order to move on to the next column
-            while (!moveOn) {
-                // find the lowest clear entry in the column (if it exists)
-                try {
-                    while (!circles[xx][firstClr].isCleared())
-                        firstClr--;
-                } catch (ArrayIndexOutOfBoundsException e) {
-                    moveOn = true;
-                    continue;  // i.e. no cleared circle found in this column --- go to the next column
-                }
-
-                if (firstFull > firstClr)
-                    firstFull = firstClr; // only move items "down" the column
-
-                // find the lowest non-cleared entry in the column (if it exists)
-                try {
-                    while (circles[xx][firstFull].isCleared())
-                        firstFull--;
-                } catch (ArrayIndexOutOfBoundsException e) {
-                    moveOn = true;
-                    continue;  // i.e. the whole column is clear --- for now, go to the next column
-                }
-
-                moveCircle(circles[xx][firstFull],circles[xx][firstClr]);
-
-                firstFull--; firstClr--; // iterate
-            }
-        }
-
-        // 2.  SHIFT HORIZONTALLY
-        // Check to see if any column is now empty
-        // ... this could have been done within the loop above, but it would detract from readability of the code
-        boolean emptySoFar=true;       // remains true if all columns seen so far have only cleared circles
-        for (int xx=width-1; xx>=0; xx--) {
-            boolean allCleared=true;   // remains true if all circles in column xx have been cleared
-            for (int yy=0; yy<height; yy++) {
-                try {
-                    if (!circles[xx][yy].isCleared())
-                        throw new InterruptedException();
-                } catch (InterruptedException e) { allCleared=false; }
-            }
-
-            if (allCleared) {
-                if (!emptySoFar) { // i.e. do not do anything with empty columns on the right of the screen
-                    // move other columns into this empty column
-                    for (int ii=xx+1; ii<width; ii++)
-                        for (int jj=0; jj<height; jj++)
-                            moveCircle(circles[ii][jj],circles[ii-1][jj]);
-                }
-            }
-            else
-                emptySoFar=false;
-        }
-
-        // 3.  (LAST ITEM) CHECK IF THE GAME HAS ENDED
-        // This happens if every circle is surrounded by cleared circles or circles of a different color
-        if (!gameOverQ())
-            return true; // the game has not ended ... go on
-
-        // if we've gotten here, it means that the game has ended
-        int score = new Integer(totalPoints.getText());
-
-        highScore hs = new highScore(HIGH_SCORE_FILE);
-        hs.loadScores();
-
-        // check the high score
-        if (hs.newRecordQ(score)) { // i.e. a new record
-            JOptionPane.showMessageDialog(null, "Game Over - You got a new high score of "+score+" points!\n"+
-                    "Your weighted score for this sized board was "+ highScore.hsComp.weightedScore( new highScore.HSdata("",width,height,score))+".");
-            if (highScoreName==null)
-                highScoreName = JOptionPane.showInputDialog(null,"You got a new high score!\nPlease enter your name:");
-
-            if (highScoreName == null) // i.e. the user is not interested in high scores
-                return false;
-            // populate the high score item
-            highScore.HSdata datum = new highScore.HSdata(highScoreName,width,height,score);
-            hs.putScore(datum); // enter the name into the high score list
-
-            hs.saveScores();
-        }
-        else
-            JOptionPane.showMessageDialog(null, "Game Over - You did not make the high score.  You had "+score+" points.\n"+
-                    "Your weighted score for this sized board was "+ highScore.hsComp.weightedScore( new highScore.HSdata("",width,height,score))+".");
-
-
-        JOptionPane.showMessageDialog(null, "Current high scores:\n"+hs.display());
-
-        return false;
-
-    }
-
-    public void actionPerformed(ActionEvent e) {
-        Object source = e.getSource();
-
-        if (source == quitGame)
-            System.exit(0);
-        else if (source == changeBoard) {
-            // modified from http://www.vbforums.com/showthread.php?t=513699
-            JTextField width = new JTextField(); width.setText(""+ DEFAULT_WIDTH);
-            JTextField height = new JTextField(); height.setText(""+ DEFAULT_HEIGHT);
-            Object[] msg = {"Width:", width, "Height:", height};
-
-            JOptionPane op = new JOptionPane(
-                    msg,
-                    JOptionPane.QUESTION_MESSAGE,
-                    JOptionPane.OK_CANCEL_OPTION,
-                    null,
-                    null);
-
-            JDialog dialog = op.createDialog(this, "Enter new board size ...");
-            dialog.setVisible(true);
-
-            int result = (Integer) op.getValue();
-
-            if(result == JOptionPane.OK_OPTION) // i.e. effect the change
-            {
-                // i.e. destroy the old board
-                cleanUp();
-                this.width = new Integer(width.getText());
-                this.height = new Integer(height.getText());
-
-                // create the new board
-                setupGUI();
-            }
-        }
-    }
-
-    /**
-     * Starts a Brain that makes moves
-     */
-    private void startBrain(Brain theBrain) {
-        this.theBrain = theBrain;
-        highScoreName = theBrain.myName(); // the computer gets credit for any subsequent high score
-        brainThread = new Thread(theBrain,"Brain Thread");
-        brainThread.start();
-    }
-
-    // For handling the menu checkBox
-    public void itemStateChanged(ItemEvent e) {
-        Object source = e.getItemSelectable();
-
-        if (e.getStateChange() == ItemEvent.SELECTED) {
-            if (source == noPlayerMenuItem)
-                return; // i.e. no players
-            else if (source == simplePlayerMenuItem)
-                startBrain(new simpleBrain(this));
-            else if (source == lazyPlayerMenuItem)
-                startBrain(new lazyBrain(this));
-            /*
-             * The smarterBrain is missing from this code :-)
-             */
-        }
-        else {
-            // deselected
-            if (theBrain!=null)
-                theBrain.allDone(); // will ask the Brain to stop thinking
-        }
-    }
-
-    /**
-     * Runs the application
-     */
-    public static void main(String args[]) {
-        JFrame myApp = new sg();
-        myApp.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);
-        myApp.setSize(DEFAULT_WINDOW_WIDTH, DEFAULT_WINDOW_HEIGHT);
-        myApp.setVisible(true);
-    }
+	}
+
+
+	/*
+	 * setupGUI helper
+	 *   - adds to circle[ii][jj] a SelfAwareListener of circle[xx][yy] as 0<=xx<width and 0<=yy<height
+	 * @param ii = x coordinate of the circle to whom we will be listening
+	 * @param jj = y coordinate of the circle to whom we will be listening
+	 * @param xx = x coordinate of the listener circle
+	 * @param yy = y coordinate of the listener circle
+	 */
+
+	private void addNeighbor(int ii, int jj, int xx, int yy) {
+		if ((0<=xx && xx<width) &&
+				(0<=yy && yy<height))
+			circles[ii][jj].addSelfAwareListener(circles[xx][yy]);
+	}
+
+	/**
+	 * Setup the initial screen items
+	 * NOTE:  must perform cleanUp() first if there is already a GUI set up on the screen
+	 */
+	void setupGUI() {
+
+		// set the layout style for the whole app
+		setLayout(new BorderLayout());
+
+		// ... set up the menus
+		JMenuBar menuBar = new JMenuBar();
+
+		// ...... File Menu
+		JMenu menu = new JMenu("File");
+
+		changeBoard = new JMenuItem("Change board");
+		changeBoard.addActionListener(this);
+		menu.add(changeBoard);
+
+		quitGame = new JMenuItem("Quit");
+		quitGame.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_Q, ActionEvent.META_MASK));
+		quitGame.setMnemonic('Q');
+		quitGame.addActionListener(this);
+		menu.add(quitGame);
+
+		menuBar.add(menu);
+
+		// ...... Automatic play Menu
+		menu = new JMenu("Automatic play");
+		ButtonGroup group = new ButtonGroup();
+		
+		noPlayerMenuItem = new JRadioButtonMenuItem("none");
+		noPlayerMenuItem.addItemListener(this);
+		noPlayerMenuItem.setSelected(true); // i.e. the default item
+		group.add(noPlayerMenuItem);
+		menu.add(noPlayerMenuItem);
+		menu.addSeparator();
+		
+		simplePlayerMenuItem = new JRadioButtonMenuItem("Simple player");
+		simplePlayerMenuItem.addItemListener(this);
+		group.add(simplePlayerMenuItem);
+		menu.add(simplePlayerMenuItem);
+
+		lazyPlayerMenuItem = new JRadioButtonMenuItem("Lazy player");
+		lazyPlayerMenuItem.addItemListener(this);
+		group.add(lazyPlayerMenuItem);
+		menu.add(lazyPlayerMenuItem);
+
+		smarterPlayerMenuItem = new JRadioButtonMenuItem("Smarter player");
+		smarterPlayerMenuItem.setEnabled(false); // disabled for this version
+		smarterPlayerMenuItem.addItemListener(this);
+		group.add(smarterPlayerMenuItem);
+		menu.add(smarterPlayerMenuItem);
+		menuBar.add(menu);
+
+		this.setJMenuBar(menuBar);
+
+		// ... set up the circle panel
+		circlePanel = new JPanel(new GridLayout(height,width));
+		// allocate circles
+		circles = new SelfAwareCircle[width][height];
+
+		// ..... set up some circles
+		for (int jj=0; jj<height; jj++) 
+			for (int ii=0; ii<width; ii++) 
+			{
+				CircleColor foreColor = CircleColor.randColor(numColors);
+
+				// establish the button
+				circles[ii][jj] = new SelfAwareCircle(foreColor,ii,jj,this);
+				circlePanel.add(circles[ii][jj]);
+			}
+		// set up listeners in the area
+		for (int xx=0; xx<width; xx++)
+			for (int yy=0; yy<height; yy++) {
+				// add all neighbors
+				addNeighbor(xx,yy,xx,yy-1);
+				addNeighbor(xx,yy,xx,yy+1);
+				addNeighbor(xx,yy,xx-1,yy);
+				addNeighbor(xx,yy,xx+1,yy);
+			}
+
+		add(circlePanel,BorderLayout.CENTER);
+
+		// ... set up the text panel
+		textPanel = new JPanel( new FlowLayout());
+		textPanel.add(new JLabel("Selected len: "));
+		textPanel.add(regionPoints);
+		textPanel.add(new JLabel("")); // i.e. blank
+		textPanel.add(new JLabel("Total pts: "));
+		textPanel.add(totalPoints);
+		add(textPanel,BorderLayout.SOUTH);
+
+		validate();
+		repaint();
+	}
+
+	/*
+	 * Performs any clean up actions needed before setting up a new GUI
+	 */
+	void cleanUp() {
+		// Removes elements for garbage collection
+
+		// close down the brain
+		highScoreName=null;
+		if (theBrain != null)
+			theBrain.allDone();
+
+		// score panel
+		totalPoints.setText("0");
+		textPanel.setVisible(false);
+		textPanel=null;
+
+		// circles
+		for (int ii=0; ii<width; ii++)
+			for (int jj=0; jj<height; jj++) {
+				circles[ii][jj].removeMouseListener(circles[ii][jj]);
+				circles[ii][jj]=null;
+			}
+
+		// circle panel
+		circlePanel.setVisible(false);
+		circlePanel=null;
+
+	}
+
+	/*
+	 * Returns true iff circles[xx][yy] has color theColor, is not cleared, AND (xx,yy) is within the range of the board
+	 */
+	private boolean sameColor(CircleColor theColor, int xx, int yy) {
+		if (xx<0 || yy<0 || xx>=width || yy>=height || circles[xx][yy].isCleared())
+			return false;
+		else
+			return circles[xx][yy].getColor().equals(theColor);
+	}
+
+	/*
+	 * Moves circle c1 into location c2, leaving c1 as a clear circle that
+	 * does not receive mouse events
+	 */
+	private void moveCircle(SelfAwareCircle orig, SelfAwareCircle dest) {
+		// copy the immutable, position independent values
+		orig.copy(dest);
+
+		// clear the top item
+		orig.setClear();
+	}
+
+	/*
+	 * Called to request a reshifting of the board (as necessary).
+	 *    This should happen if some circles are rendered "clear"ed
+	 *    @return true if game continues; false otherwise
+	 */
+
+	final boolean shiftCircles() {
+		/* start at the bottom and move up ... all cleared circles are
+		 *    removed, with upper circles falling into their positions;
+		 *    if a column is totally empty, then its rightmost columns
+		 *    shift into it
+		 */
+
+		// 1.  SHIFT VERTICALLY
+		for (int xx=0; xx<width; xx++) {
+			int firstClr = height-1;  // the lowest cleared entry in the column
+			int firstFull = height-1; // the lowest uncleared entry in the column that has not yet been processed
+			boolean moveOn = false;      // set to true in order to move on to the next column
+			while (!moveOn) {
+				// find the lowest clear entry in the column (if it exists)
+				try {
+					while (!circles[xx][firstClr].isCleared())
+						firstClr--;
+				} catch (ArrayIndexOutOfBoundsException e) {
+					moveOn = true;
+					continue;  // i.e. no cleared circle found in this column --- go to the next column
+				}
+
+				if (firstFull > firstClr)
+					firstFull = firstClr; // only move items "down" the column
+
+				// find the lowest non-cleared entry in the column (if it exists)
+				try {
+					while (circles[xx][firstFull].isCleared())
+						firstFull--;
+				} catch (ArrayIndexOutOfBoundsException e) {
+					moveOn = true;
+					continue;  // i.e. the whole column is clear --- for now, go to the next column
+				}
+
+				moveCircle(circles[xx][firstFull],circles[xx][firstClr]);
+
+				firstFull--; firstClr--; // iterate
+			}
+		}
+
+		// 2.  SHIFT HORIZONTALLY
+		// Check to see if any column is now empty
+		// ... this could have been done within the loop above, but it would detract from readability of the code
+		boolean emptySoFar=true;       // remains true if all columns seen so far have only cleared circles
+		for (int xx=width-1; xx>=0; xx--) {
+			boolean allCleared=true;   // remains true if all circles in column xx have been cleared
+			for (int yy=0; yy<height; yy++) {
+				try {
+					if (!circles[xx][yy].isCleared())
+						throw new InterruptedException();
+				} catch (InterruptedException e) { allCleared=false; }
+			}
+
+			if (allCleared) {
+				if (!emptySoFar) { // i.e. do not do anything with empty columns on the right of the screen
+					// move other columns into this empty column
+					for (int ii=xx+1; ii<width; ii++)
+						for (int jj=0; jj<height; jj++)
+							moveCircle(circles[ii][jj],circles[ii-1][jj]);
+				}
+			}
+			else
+				emptySoFar=false;
+		}
+
+		// 3.  (LAST ITEM) CHECK IF THE GAME HAS ENDED
+		// This happens if every circle is surrounded by cleared circles or circles of a different color
+		if (!gameOverQ())
+			return true; // the game has not ended ... go on
+
+		// if we've gotten here, it means that the game has ended
+		int score = new Integer(totalPoints.getText());
+
+		highScore hs = new highScore(highScoreFile);
+		hs.loadScores();
+
+		// check the high score
+		if (hs.newRecordQ(score)) { // i.e. a new record
+			JOptionPane.showMessageDialog(null, "Game Over - You got a new high score of "+score+" points!\n"+
+					"Your weighted score for this sized board was "+ highScore.hsComp.weightedScore( new highScore.HSdata("",width,height,score))+".");
+			if (highScoreName==null)
+				highScoreName = JOptionPane.showInputDialog(null,"You got a new high score!\nPlease enter your name:");
+			
+			if (highScoreName == null) // i.e. the user is not interested in high scores
+				return false;
+			// populate the high score item
+			highScore.HSdata datum = new highScore.HSdata(highScoreName,width,height,score);
+			hs.putScore(datum); // enter the name into the high score list
+
+			hs.saveScores();
+		}
+		else
+			JOptionPane.showMessageDialog(null, "Game Over - You did not make the high score.  You had "+score+" points.\n"+
+					"Your weighted score for this sized board was "+ highScore.hsComp.weightedScore( new highScore.HSdata("",width,height,score))+".");
+
+
+		JOptionPane.showMessageDialog(null, "Current high scores:\n"+hs.display());
+
+		return false;
+
+	}
+
+	public void actionPerformed(ActionEvent e) {
+		Object source = e.getSource();
+
+		if (source == quitGame)
+			System.exit(0);
+		else if (source == changeBoard) {
+			// modified from http://www.vbforums.com/showthread.php?t=513699
+			JTextField width = new JTextField(); width.setText(""+defaultWidth);
+			JTextField height = new JTextField(); height.setText(""+defaultHeight);
+			Object[] msg = {"Width:", width, "Height:", height};
+
+			JOptionPane op = new JOptionPane(
+					msg,
+					JOptionPane.QUESTION_MESSAGE,
+					JOptionPane.OK_CANCEL_OPTION,
+					null,
+					null);
+
+			JDialog dialog = op.createDialog(this, "Enter new board size ...");
+			dialog.setVisible(true);
+
+			int result = JOptionPane.OK_OPTION;
+
+			try
+			{
+				result = (Integer) op.getValue();
+			}
+			catch(Exception uninitializedValue)
+			{}
+
+			if(result == JOptionPane.OK_OPTION) // i.e. effect the change
+			{
+				// i.e. destroy the old board
+				cleanUp(); 
+				this.width = new Integer(width.getText());
+				this.height = new Integer(height.getText());
+
+				// create the new board
+				setupGUI();
+			}
+		}
+	}
+
+	/**
+	 * Starts a Brain that makes moves
+	 */
+	private void startBrain(Brain theBrain) {
+		this.theBrain = theBrain;
+		highScoreName = theBrain.myName(); // the computer gets credit for any subsequent high score
+		brainThread = new Thread(theBrain,"Brain Thread");
+		brainThread.start();
+	}
+	
+	// For handling the menu checkBox
+	public void itemStateChanged(ItemEvent e) {
+		Object source = e.getItemSelectable();
+
+		if (e.getStateChange() == ItemEvent.SELECTED) {
+			if (source == noPlayerMenuItem)
+				return; // i.e. no players
+			else if (source == simplePlayerMenuItem)
+				startBrain(new simpleBrain(this));
+			else if (source == lazyPlayerMenuItem)
+				startBrain(new lazyBrain(this));
+/*
+ * The smarterBrain is missing from this code :-)
+*/
+		}
+		else {
+			// deselected
+			if (theBrain!=null)
+				theBrain.allDone(); // will ask the Brain to stop thinking
+		}
+	}
+
+	/**
+	 * Runs the application
+	 */
+	public static void main(String args[]) {
+		JFrame myApp = new sg();
+		myApp.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);
+		myApp.setSize(defaultWindowWidth, defaultWindowHeight);
+		myApp.setVisible(true);
+	}
 }
\ No newline at end of file