diff --git a/ArmoredCar/ArmoredCar/MapWithSetArmoredCarsGeneric.cs b/ArmoredCar/ArmoredCar/MapWithSetArmoredCarsGeneric.cs
index 24ac509..8b95e84 100644
--- a/ArmoredCar/ArmoredCar/MapWithSetArmoredCarsGeneric.cs
+++ b/ArmoredCar/ArmoredCar/MapWithSetArmoredCarsGeneric.cs
@@ -90,13 +90,9 @@ namespace ArmoredCar
         public Bitmap ShowOnMap()
         {
             Shaking();
-            for (int i = 0; i < _setCars.Count; i++)
+            foreach (var armoredCar in _setCars.GetCars())
             {
-                var car = _setCars.Get(i);
-                if (car != null)
-                {
-                    return _map.CreateMap(_pictureWidth, _pictureHeight, car);
-                }
+                return _map.CreateMap(_pictureWidth, _pictureHeight, armoredCar);
             }
             return new(_pictureWidth, _pictureHeight);
         }
@@ -121,11 +117,11 @@ namespace ArmoredCar
             int j = _setCars.Count - 1;
             for (int i = 0; i < _setCars.Count; i++)
             {
-                if (_setCars.Get(i) == null)
+                if (_setCars[i] == null)
                 {
                     for (; j > i; j--)
                     {
-                        var car = _setCars.Get(j);
+                        var car = _setCars[i];
                         if (car != null)
                         {
                             _setCars.Insert(car, i);
@@ -177,14 +173,13 @@ namespace ArmoredCar
         private void DrawArmoredCars(Graphics g)
         {
             int width = _pictureWidth / _placeSizeWidth;
-            
-            for (int i = 0; i < _setCars.Count; i++)
-            {    
-                if (_setCars.Get(i) != null) { 
-                    _setCars.Get(i)?.SetObject(i % width * _placeSizeWidth + 5, i / width * _placeSizeHeight + 10, _pictureWidth, _pictureHeight);
-                    _setCars.Get(i)?.DrawningObject(g);
-                }
-            }
+            int k = 0;
+            foreach (var armoredCar in _setCars.GetCars())
+            {                
+                armoredCar.SetObject(k % width * _placeSizeWidth + 5, k / width * _placeSizeHeight + 10, _pictureWidth, _pictureHeight);
+                armoredCar.DrawningObject(g);
+                k++;
+            }          
         }
     }
 }
diff --git a/ArmoredCar/ArmoredCar/SetArmoredCarsGeneric.cs b/ArmoredCar/ArmoredCar/SetArmoredCarsGeneric.cs
index 550c07e..a4057ec 100644
--- a/ArmoredCar/ArmoredCar/SetArmoredCarsGeneric.cs
+++ b/ArmoredCar/ArmoredCar/SetArmoredCarsGeneric.cs
@@ -10,20 +10,23 @@ namespace ArmoredCar
         where T : class
     {
         /// <summary>
-        /// Массив объектов, которые храним
+        /// Список объектов, которые храним
         /// </summary>
-        private readonly T[] _places;
+        private readonly List<T> _places;
         /// <summary>
         /// Количество объектов в массиве
         /// </summary>
-        public int Count => _places.Length;
+        public int Count => _places.Count;
+
+        private readonly int _maxCount;
         /// <summary>
         /// Конструктор
         /// </summary>
         /// <param name="count"></param>
         public SetArmoredCarsGeneric(int count)
         {
-            _places = new T[count];
+            _maxCount = count;
+            _places = new List<T>();
         }
         /// <summary>
         /// Добавление объекта в набор
@@ -31,8 +34,10 @@ namespace ArmoredCar
         /// <param name="armoredCar">Добавляемый автомобиль</param>
         /// <returns></returns>
         public int Insert(T armoredCar)
-        {            
-            return Insert(armoredCar, 0);
+        {   
+            if (Count < _maxCount)
+                return Insert(armoredCar, 0);
+            return -1;
         }
         /// <summary>
         /// Добавление объекта в набор на конкретную позицию
@@ -42,31 +47,10 @@ namespace ArmoredCar
         /// <returns></returns>
         public int Insert(T armoredCar, int position)
         {
-            if (position < 0 || position >= Count)
+            if (position < 0 || position >= _maxCount)
                 return -1;
-            
-            if (!(_places[position] == null))
-            {
-                int index_empty = -1;
-                // поиск первого пустого элемента
-                for (int i = position + 1; i < Count; i++)
-                {
-                    if (_places[i] == null)
-                    {
-                        index_empty = i;
-                    }
-                }
-                if (index_empty == -1)
-                    return -1;
-                else
-                {
-                    for (int i = index_empty; i > position; i--)
-                    {                        
-                        _places[i] = _places[i - 1];
-                    }
-                }
-            }            
-            _places[position] = armoredCar;
+
+            _places.Insert(position, armoredCar);         
             return position;
         }
         /// <summary>
@@ -76,22 +60,55 @@ namespace ArmoredCar
         /// <returns></returns>
         public T Remove(int position)
         {
-            if (position < 0 || position >= Count)
+            if (position < 0 || position >= _maxCount)
                 return null;
             T armoredCar = _places[position];
-            _places[position] = null;
+            _places.RemoveAt(position);
             return armoredCar;
         }
+
+
         /// <summary>
         /// Получение объекта из набора по позиции
         /// </summary>
         /// <param name="position"></param>
         /// <returns></returns>
-        public T Get(int position)
+        public T this[int position]
         {
-            if (position < 0 || position >= Count)
-                return null;
-            return _places[position];
+            get
+            {
+                if (position < 0 || position >= _maxCount)
+                    return null;
+                return _places[position];
+            }
+            set
+            {
+                
+                if (position < 0 || position >= _maxCount)
+                    return;
+                
+                _places.Add(value);
+            }
         }
+
+        /// <summary>
+        /// Проход по набору до первого пустого
+        /// </summary>
+        /// <returns></returns>
+        public IEnumerable<T> GetCars()
+        {
+            foreach (var car in _places)
+            {
+                if (car != null)
+                {
+                    yield return car;
+                }
+                else
+                {
+                    yield break;
+                }
+            }
+        }
+
     }
 }