diff --git a/Sailboat/Sailboat/BoatCompareByColor.cs b/Sailboat/Sailboat/BoatCompareByColor.cs
new file mode 100644
index 0000000..1cb511e
--- /dev/null
+++ b/Sailboat/Sailboat/BoatCompareByColor.cs
@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Sailboat
+{
+    internal class BoatCompareByColor
+    {
+    }
+}
diff --git a/Sailboat/Sailboat/BoatCompareByType.cs b/Sailboat/Sailboat/BoatCompareByType.cs
new file mode 100644
index 0000000..6b51faa
--- /dev/null
+++ b/Sailboat/Sailboat/BoatCompareByType.cs
@@ -0,0 +1,35 @@
+using Sailboat.DrawingObjects;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Sailboat
+{
+    internal class BoatCompareByType : IComparer<DrawingBoat?>
+    {
+        public int Compare(DrawingBoat? x, DrawingBoat? y)
+        {
+            if (x == null || x.EntityBoat == null)
+            {
+                throw new ArgumentNullException(nameof(x));
+            }
+            if (y == null || y.EntityBoat == null)
+            {
+                throw new ArgumentNullException(nameof(y));
+            }
+            if (x.GetType().Name != y.GetType().Name)
+            {
+                return x.GetType().Name.CompareTo(y.GetType().Name);
+            }
+            var speedCompare =
+            x.EntityBoat.Speed.CompareTo(y.EntityBoat.Speed);
+            if (speedCompare != 0)
+            {
+                return speedCompare;
+            }
+            return x.EntityBoat.Weight.CompareTo(y.EntityBoat.Weight);
+        }
+    }
+}
diff --git a/Sailboat/Sailboat/DrawingBoatEqutables.cs b/Sailboat/Sailboat/DrawingBoatEqutables.cs
new file mode 100644
index 0000000..e66d5c0
--- /dev/null
+++ b/Sailboat/Sailboat/DrawingBoatEqutables.cs
@@ -0,0 +1,59 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+using Sailboat.DrawingObjects;
+using Sailboat.Entities;
+
+namespace Sailboat.Generics
+{
+    internal class DrawingBoatEqutables : IEqualityComparer<DrawingBoat?>
+    {
+        public bool Equals(DrawingBoat? x, DrawingBoat? y)
+        {
+            if (x == null || x.EntityBoat == null)
+            {
+                throw new ArgumentNullException(nameof(x));
+            }
+            if (y == null || y.EntityBoat == null)
+            {
+                throw new ArgumentNullException(nameof(y));
+            }
+            if (x.GetType().Name != y.GetType().Name)
+            {
+                return false;
+            }
+            if (x.EntityBoat.Speed != y.EntityBoat.Speed)
+            {
+                return false;
+            }
+            if (x.EntityBoat.Weight != y.EntityBoat.Weight)
+            {
+                return false;
+            }
+            if (x.EntityBoat.BodyColor != y.EntityBoat.BodyColor)
+            {
+                return false;
+            }
+            if (x is DrawingSailboat && y is DrawingSailboat)
+            {
+                EntitySailboat EntityX = (EntitySailboat)x.EntityBoat;
+                EntitySailboat EntityY = (EntitySailboat)y.EntityBoat;
+                if (EntityX.Sail != EntityY.Sail)
+                    return false;
+                if (EntityX.Hull != EntityY.Hull)
+                    return false;
+                if (EntityX.AdditionalColor != EntityY.AdditionalColor)
+                    return false;
+            }
+            return true;
+        }
+        public int GetHashCode([DisallowNull] DrawingBoat obj)
+        {
+            return obj.GetHashCode();
+        }
+    }
+}
diff --git a/Sailboat/Sailboat/FormBoatCollection.cs b/Sailboat/Sailboat/FormBoatCollection.cs
index 76c12fe..7525a4a 100644
--- a/Sailboat/Sailboat/FormBoatCollection.cs
+++ b/Sailboat/Sailboat/FormBoatCollection.cs
@@ -88,21 +88,6 @@ namespace Sailboat
                 MessageBox.Show("Не удалось добавить объект");
                 _logger.LogInformation($"Не удалось добавить объект");
             }
-            //try
-            //{
-            //    if (obj + drawingBoat)
-            //    {
-            //        MessageBox.Show("Объект добавлен");
-            //        pictureBoxCollection.Image = obj.ShowBoats();
-            //        _logger.LogInformation($"Объект {obj.GetType()} добавлен");
-            //    }
-            //}
-            //catch (StorageOverflowException ex)
-            //{
-            //    MessageBox.Show(ex.Message);
-            //    MessageBox.Show("Не удалось добавить объект");
-            //    _logger.LogWarning($"{ex.Message} в наборе {listBoxStorages.SelectedItem.ToString()}");
-            //}
         }
 
         private void buttonRemoveBoat_Click(object sender, EventArgs e)
diff --git a/Sailboat/Sailboat/SetGeneric.cs b/Sailboat/Sailboat/SetGeneric.cs
index 05134f9..77b93ab 100644
--- a/Sailboat/Sailboat/SetGeneric.cs
+++ b/Sailboat/Sailboat/SetGeneric.cs
@@ -36,13 +36,13 @@ namespace Sailboat.Generics
         /// </summary>
         /// <param name="boat">Добавляемая лодка</param>
         /// <returns></returns>
-        public bool Insert(T boat)
+        public bool Insert(T boat, IEqualityComparer<T?>? equal = null)
         {
             if (_places.Count == _maxCount) 
-            { 
-                return false; 
+            {
+                throw new StorageOverflowException(_maxCount);
             }
-            Insert(boat, 0);
+            Insert(boat, 0, equal);
             return true;
         }
         /// <summary>
@@ -51,13 +51,21 @@ namespace Sailboat.Generics
         /// <param name="boat">Добавляемая лодка</param>
         /// <param name="position">Позиция</param>
         /// <returns></returns>
-        public bool Insert(T boat, int position)
+        public bool Insert(T boat, int position, IEqualityComparer<T?>? equal = null)
         {
             if (position < 0 || position >= _maxCount)
                 throw new BoatNotFoundException(position);
 
             if (_places.Count >= _maxCount)
                 throw new StorageOverflowException(_maxCount);
+
+            //вот это проверить перед отправкой хз что делает 
+            if (equal != null)
+            {
+                if (_places.Contains(boat, equal))
+                    throw new ArgumentException(nameof(boat));
+            }
+
             _places.Insert(0, boat);
             return true;
         }