diff --git a/src/gm/LR_1.java b/src/gm/LR_1.java
index 21ef1e6..e62758d 100644
--- a/src/gm/LR_1.java
+++ b/src/gm/LR_1.java
@@ -20,8 +20,9 @@ public class LR_1 extends Application {
     
     public LR_1() {
         super(640, 480);
-        x0 = 4;
-        y0 = 3.5;
+        setTitle("LR_1 v1");
+        x0 = GraphicsExt.X_MAX / 2;
+        y0 = GraphicsExt.Y_MAX / 2;
     }
 
     @Override