public class Portal extends Tile
{
    public static final String START = "AA";
    public static final String EXIT = "ZZ";

    public Portal (Coordinate position, char portalId)
    {
        super(position, TileId.PORTAL);

        _horizontal = horizontalRepresentation;
    }

    private boolean _horizontal;
}

@@ -223,95 +223,12 @@
 L);%0A
-%0A        _horizontal = horizontalRepresentation;%0A    %7D%0A%0A    private boolean _horizontal;
+    %7D
 %0A%7D%0A

Update Portal.java