diff --git a/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/Generics/SetGeneric.cs b/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/Generics/SetGeneric.cs
index c8b77f0..04677c0 100644
--- a/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/Generics/SetGeneric.cs
+++ b/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/Generics/SetGeneric.cs
@@ -39,18 +39,24 @@ namespace PIbd_23_Ivanov_V.N._DoubleDeckerBus._Base.Generics
             _places = new List<T?>(count);
         }
 
+        /// <summary>
+        /// Сортировка набора объектов
+        /// </summary>
+        /// <param name="comparer"></param>
+        public void SortSet(IComparer<T?> comparer) => _places.Sort(comparer);
+
         /// <summary>
         /// Добавление объекта в набор
         /// </summary>
         /// <param name="bus">Добавляемый автобус</param>
         /// <returns></returns>
-        public void Insert(T bus)
+        public void Insert(T bus, IEqualityComparer<T>? equal = null)
         {
             if (_places.Count == _maxCount)
             {
                 throw new StorageOverflowException(_maxCount);
             }
-            Insert(bus, 0);
+            Insert(bus, 0, equal);
         }
 
         /// <summary>
@@ -59,7 +65,7 @@ namespace PIbd_23_Ivanov_V.N._DoubleDeckerBus._Base.Generics
         /// <param name="bus">Добавляемый автобус</param>
         /// <param name="position">Позиция</param>
         /// <returns></returns>
-        public void Insert(T bus, int position)
+        public void Insert(T bus, int position, IEqualityComparer<T>? equal = null)
         {
             if (_places.Count == _maxCount)
             {
@@ -69,6 +75,13 @@ namespace PIbd_23_Ivanov_V.N._DoubleDeckerBus._Base.Generics
             {
                 throw new Exception("Неверная позиция для вставки");
             }
+            if (equal != null)
+            {
+                if (_places.Contains(bus, equal))
+                {
+                    throw new ArgumentException(nameof(bus));
+                }
+            }
             _places.Insert(position, bus);
         }
 
@@ -79,7 +92,7 @@ namespace PIbd_23_Ivanov_V.N._DoubleDeckerBus._Base.Generics
         /// <returns></returns>
         public void Remove(int position)
         {
-            if (position < 0 || position >= Count)
+            if (!(position >= 0 && position < Count))
             {
                 throw new BusNotFoundException(position);
             }
@@ -96,7 +109,7 @@ namespace PIbd_23_Ivanov_V.N._DoubleDeckerBus._Base.Generics
         {
             get
             {
-                if (position < 0 || position >= _maxCount)
+                if (!(position >= 0 && position < Count))
                 {
                     return null;
                 }
@@ -109,9 +122,7 @@ namespace PIbd_23_Ivanov_V.N._DoubleDeckerBus._Base.Generics
                 {
                     return;
                 }
-
                 _places.Insert(position, value);
-                return;
             }
         }