diff --git a/src/main/java/ArmoredCarCompareByType.java b/src/main/java/ArmoredCarCompareByType.java
index 0386396..a996342 100644
--- a/src/main/java/ArmoredCarCompareByType.java
+++ b/src/main/java/ArmoredCarCompareByType.java
@@ -37,6 +37,8 @@ public class ArmoredCarCompareByType implements Comparator<IDrawingObject> {
             }
             return 1;
         }
+        if (xCar.getArmoredCar().drawingCaterpillar.compareTo(yCar.getArmoredCar().drawingCaterpillar) != 0)
+            return xCar.getArmoredCar().drawingCaterpillar.compareTo(yCar.getArmoredCar().drawingCaterpillar);
         var speedCompare = Integer.compare(xCar.getArmoredCar().getArmoredCar().getSpeed(), yCar.getArmoredCar().getArmoredCar().getSpeed());
         if (speedCompare != 0)
         {
diff --git a/src/main/java/DrawingCaterpillar.java b/src/main/java/DrawingCaterpillar.java
index 2785b4e..fb3484b 100644
--- a/src/main/java/DrawingCaterpillar.java
+++ b/src/main/java/DrawingCaterpillar.java
@@ -1,6 +1,7 @@
 import java.awt.*;
+import java.util.HashMap;
 
-public class DrawingCaterpillar implements IDrawingCaterpillar {
+public class DrawingCaterpillar implements IDrawingCaterpillar, Comparable {
     private NumRinks numRinks = NumRinks.Four;
     private Color color;
 
@@ -48,4 +49,15 @@ public class DrawingCaterpillar implements IDrawingCaterpillar {
     public NumRinks getNumRinks() {
         return numRinks;
     }
+
+    @Override
+    public int compareTo(Object o) {
+        if (!(o instanceof IDrawingCaterpillar))
+            return -1;
+        HashMap<String, Integer> dict = new HashMap<>();
+        dict.put(DrawingCaterpillar.class.getName(), 0);
+        dict.put(DrawingDoubleCaterpillar.class.getName(), 1);
+        dict.put(DrawingCrossCaterpillar.class.getName(), 2);
+        return Integer.compare(dict.get(this.getClass().getName()), dict.get(o.getClass().getName()));
+    }
 }
diff --git a/src/main/java/DrawingCrossCaterpillar.java b/src/main/java/DrawingCrossCaterpillar.java
index 3796747..7ee2ed0 100644
--- a/src/main/java/DrawingCrossCaterpillar.java
+++ b/src/main/java/DrawingCrossCaterpillar.java
@@ -1,4 +1,5 @@
 import java.awt.*;
+import java.util.HashMap;
 
 public class DrawingCrossCaterpillar implements IDrawingCaterpillar{
     private NumRinks numRinks = NumRinks.Four;
@@ -54,4 +55,15 @@ public class DrawingCrossCaterpillar implements IDrawingCaterpillar{
     public NumRinks getNumRinks() {
         return numRinks;
     }
+
+    @Override
+    public int compareTo(Object o) {
+        if (!(o instanceof IDrawingCaterpillar))
+            return -1;
+        HashMap<String, Integer> dict = new HashMap<>();
+        dict.put(DrawingCaterpillar.class.getName(), 0);
+        dict.put(DrawingDoubleCaterpillar.class.getName(), 1);
+        dict.put(DrawingCrossCaterpillar.class.getName(), 2);
+        return Integer.compare(dict.get(this.getClass().getName()), dict.get(o.getClass().getName()));
+    }
 }
diff --git a/src/main/java/DrawingDoubleCaterpillar.java b/src/main/java/DrawingDoubleCaterpillar.java
index e6c8a78..1a7bc52 100644
--- a/src/main/java/DrawingDoubleCaterpillar.java
+++ b/src/main/java/DrawingDoubleCaterpillar.java
@@ -1,4 +1,5 @@
 import java.awt.*;
+import java.util.HashMap;
 
 public class DrawingDoubleCaterpillar implements IDrawingCaterpillar{
     private NumRinks numRinks = NumRinks.Four;
@@ -51,4 +52,15 @@ public class DrawingDoubleCaterpillar implements IDrawingCaterpillar{
     public NumRinks getNumRinks() {
         return numRinks;
     }
+
+    @Override
+    public int compareTo(Object o) {
+        if (!(o instanceof IDrawingCaterpillar))
+            return -1;
+        HashMap<String, Integer> dict = new HashMap<>();
+        dict.put(DrawingCaterpillar.class.getName(), 0);
+        dict.put(DrawingDoubleCaterpillar.class.getName(), 1);
+        dict.put(DrawingCrossCaterpillar.class.getName(), 2);
+        return Integer.compare(dict.get(this.getClass().getName()), dict.get(o.getClass().getName()));
+    }
 }
diff --git a/src/main/java/IDrawingCaterpillar.java b/src/main/java/IDrawingCaterpillar.java
index 6a35aec..0d35365 100644
--- a/src/main/java/IDrawingCaterpillar.java
+++ b/src/main/java/IDrawingCaterpillar.java
@@ -1,6 +1,6 @@
 import java.awt.*;
 
-public interface IDrawingCaterpillar {
+public interface IDrawingCaterpillar extends Comparable{
     void setNumRinks(int n);
 
     void DrawCaterpillar(Graphics2D g2d, int startPosX, int startPosY);