diff --git a/src/C3PO.java b/src/C3PO.java
index 08d4f75..38fe1ae 100644
--- a/src/C3PO.java
+++ b/src/C3PO.java
@@ -61,7 +61,7 @@ public class C3PO implements Robot {
         for (int i = 1; i < n; ++i) {
             int key = zahlen[i];
             int j = i - 1;
-            while (j >= 0 && zahlen[j] > key) {
+            while (j >= 0 && zahlen[j] < key) {
                 zahlen[j + 1] = zahlen[j];
                 j = j - 1;
             }
diff --git a/src/Nexus6.java b/src/Nexus6.java
index ff6ef73..1338ab1 100644
--- a/src/Nexus6.java
+++ b/src/Nexus6.java
@@ -1,21 +1,23 @@
 import tpe.exceptions.roboter.Robot;
 import tpe.exceptions.roboter.exceptions.RobotException;
+import tpe.exceptions.roboter.exceptions.RobotIllegalStateException;
 
 import java.util.Arrays;
 import java.util.stream.Collectors;
 
 public class Nexus6 implements Robot {
-   
+	
+	private int id = 19281982;
+    private String name = "pris";
+    private boolean isPowerOn = false;
+    
+    
 	private static Nexus6 instance = new Nexus6();
 	
-	private int id;
-    private String name;
-    private boolean isPowerOn;
-
     private Nexus6() {
-    	
     }
 
+    
     public static Nexus6 getInstance() {
     	if (instance == null)
     		 instance = new Nexus6();
@@ -25,12 +27,12 @@ public class Nexus6 implements Robot {
    
     @Override
     public int getId() {
-        return 19281982;
+        return id;
     }
 
     @Override
     public String getName() {
-        return "pris";
+        return name;
     }
 
     @Override
@@ -41,6 +43,7 @@ public class Nexus6 implements Robot {
         isPowerOn=false;
     }
     }
+    
 
     @Override
     public boolean isPowerOn() {
@@ -53,7 +56,7 @@ public class Nexus6 implements Robot {
     }
 
     @Override
-    public String speak(int[] zahlen) throws RobotException {
+    public String speak(int[] zahlen) /*throws RobotIllegalStateException */{
 
         var sortiert = think(zahlen);
 
@@ -68,7 +71,7 @@ public class Nexus6 implements Robot {
         return ergebnis;
     }
     @Override
-    public int[] think(int[] zahlen) throws RobotException {
+    public int[] think(int[] zahlen) /*throws RobotIllegalStateException*/ {
         int n = zahlen.length;
         for (int i = 1; i < n; ++i) {
             int key = zahlen[i];
@@ -81,4 +84,7 @@ public class Nexus6 implements Robot {
         }
         return zahlen;
     }
+
+
+	
 }
diff --git a/src/R2D2.java b/src/R2D2.java
index d71c5d9..502f6fa 100644
--- a/src/R2D2.java
+++ b/src/R2D2.java
@@ -61,7 +61,7 @@ public class R2D2 implements Robot {
         for (int i = 1; i < n; ++i) {
             int key = zahlen[i];
             int j = i - 1;
-            while (j >= 0 && zahlen[j] < key) {
+            while (j >= 0 && zahlen[j] > key) {
                 zahlen[j + 1] = zahlen[j];
                 j = j - 1;
             }