public class Taboggan
{
    public static final int MAP_COPIES = 100;  // hack

    public Taboggan (Map original, boolean debug)
    {
        _maps = new Map[MAP_COPIES];
        _maps[0] = original;
        
        _mapIndex = 0;
        _debug = debug;
    }

    private Map[] _maps;
    private int _mapIndex;
    private boolean _debug;
}
@@ -195,24 +195,25 @@
 iginal;%0A
+%0A
         
 %0A       
@@ -204,16 +204,49 @@
         
+_position = new Coordinate(0, 0);
 %0A       
@@ -344,16 +344,50 @@
 pIndex;%0A
+    private Coordinate _position;%0A
     priv

Update Taboggan.java