diff --git a/highscores.txt b/highscores.txt
index 5df6690..223b7c0 100644
--- a/highscores.txt
+++ b/highscores.txt
@@ -1,3 +1,9 @@
+thilo;19753
+thilo;14880
+thilo;14733
+player1;9956
+player2;4988
 player1;4980
 player_name;4980
+player2;4885
 player1;3999
diff --git a/numbers.c b/numbers.c
index 14edced..96f6138 100644
--- a/numbers.c
+++ b/numbers.c
@@ -73,11 +73,36 @@ unsigned int *createNumbers(unsigned int len)
 
 	srand(time(NULL));
 
-	for (unsigned int i = 0; i < len; i++) 
+	/*for (unsigned int i = 0; i < len; i++) 
 	{
 		array[i] = rand() % (2*len) + 1;
 	}
 	
+	*/
+
+	TreeNode *root = NULL;
+    int isDuplicate;
+    unsigned int value;
+    unsigned int i = 0;
+
+    srand(time(NULL));
+
+    while (i < len)
+    {
+        value = rand() % (2 * len) + 1;
+
+        root = addToTree(root, &value, sizeof(unsigned int), compareFct, &isDuplicate);
+
+        if (isDuplicate == 0)
+        {
+            array[i] = value;
+            i++;
+        }
+        // Bei Duplikat: nochmal versuchen, kein Inkrement
+    }
+
+    clearTree(root);
+
 	
 
 	position = rand() % len;
diff --git a/stack.o b/stack.o
index e90b588..3f73d64 100644
Binary files a/stack.o and b/stack.o differ