diff --git a/ArmoredCar/ArmoredCar/MapWithSetArmoredCarsGeneric.cs b/ArmoredCar/ArmoredCar/MapWithSetArmoredCarsGeneric.cs
index 04ee657..24ac509 100644
--- a/ArmoredCar/ArmoredCar/MapWithSetArmoredCarsGeneric.cs
+++ b/ArmoredCar/ArmoredCar/MapWithSetArmoredCarsGeneric.cs
@@ -56,7 +56,7 @@ namespace ArmoredCar
         /// <param name="map"></param>
         /// <param name="car"></param>
         /// <returns></returns>
-        public static bool operator +(MapWithSetArmoredCarsGeneric<T, U> map, T car)
+        public static int operator +(MapWithSetArmoredCarsGeneric<T, U> map, T car)
         {
             return map._setCars.Insert(car);
         }
@@ -66,7 +66,7 @@ namespace ArmoredCar
         /// <param name="map"></param>
         /// <param name="position"></param>
         /// <returns></returns>
-        public static bool operator -(MapWithSetArmoredCarsGeneric<T, U> map, int
+        public static T operator -(MapWithSetArmoredCarsGeneric<T, U> map, int
        position)
         {
             return map._setCars.Remove(position);
@@ -108,7 +108,7 @@ namespace ArmoredCar
         public Bitmap MoveObject(Direction direction)
         {
             if (_map != null)
-            {
+            {              
                 return _map.MoveObject(direction);
             }
             return new(_pictureWidth, _pictureHeight);
@@ -149,12 +149,22 @@ namespace ArmoredCar
         private void DrawBackground(Graphics g)
         {
             Pen pen = new(Color.Black, 3);
+            Brush brushRoad = new SolidBrush(Color.Gray);
+            Brush brushBox = new SolidBrush(Color.SandyBrown);
             for (int i = 0; i < _pictureWidth / _placeSizeWidth; i++)
             {
                 for (int j = 0; j < _pictureHeight / _placeSizeHeight + 1; ++j)
-                {
-                    g.DrawLine(pen, i * _placeSizeWidth, j * _placeSizeHeight, i *
-                   _placeSizeWidth + _placeSizeWidth / 2, j * _placeSizeHeight);
+                {                                      
+                    g.FillRectangle(brushRoad, i * _placeSizeWidth, j * _placeSizeHeight, _placeSizeWidth, _placeSizeHeight);
+                    g.DrawLine(pen, i * _placeSizeWidth, j * _placeSizeHeight, i * _placeSizeWidth + _placeSizeWidth / 2, j * _placeSizeHeight);
+
+                    int boxSize = _placeSizeWidth / 7;
+                    g.FillRectangle(brushBox, i * _placeSizeWidth + _placeSizeWidth / 2, j * _placeSizeHeight + _placeSizeHeight / 5, boxSize, boxSize);
+                    g.DrawRectangle(pen, i * _placeSizeWidth + _placeSizeWidth / 2, j * _placeSizeHeight + _placeSizeHeight / 5, boxSize, boxSize);
+                    g.FillRectangle(brushBox, i * _placeSizeWidth + _placeSizeWidth / 2 - boxSize / 2, j * _placeSizeHeight + _placeSizeHeight / 5 + boxSize, boxSize, boxSize);
+                    g.DrawRectangle(pen, i * _placeSizeWidth + _placeSizeWidth / 2 - boxSize / 2, j * _placeSizeHeight + _placeSizeHeight / 5 + boxSize, boxSize, boxSize);
+                    g.FillRectangle(brushBox, i * _placeSizeWidth + _placeSizeWidth / 2 + boxSize / 2, j * _placeSizeHeight + _placeSizeHeight / 5 + boxSize, boxSize, boxSize);
+                    g.DrawRectangle(pen, i * _placeSizeWidth + _placeSizeWidth / 2 + boxSize / 2, j * _placeSizeHeight + _placeSizeHeight / 5 + boxSize, boxSize, boxSize);
                 }
                 g.DrawLine(pen, i * _placeSizeWidth, 0, i * _placeSizeWidth,
                (_pictureHeight / _placeSizeHeight) * _placeSizeHeight);
@@ -169,9 +179,11 @@ namespace ArmoredCar
             int width = _pictureWidth / _placeSizeWidth;
             
             for (int i = 0; i < _setCars.Count; i++)
-            {                
-                _setCars.Get(i)?.SetObject(i % width * _placeSizeWidth + 10, i / width * _placeSizeHeight + 10, _pictureWidth, _pictureHeight);
-                _setCars.Get(i)?.DrawningObject(g);
+            {    
+                if (_setCars.Get(i) != null) { 
+                    _setCars.Get(i)?.SetObject(i % width * _placeSizeWidth + 5, i / width * _placeSizeHeight + 10, _pictureWidth, _pictureHeight);
+                    _setCars.Get(i)?.DrawningObject(g);
+                }
             }
         }
     }
diff --git a/ArmoredCar/ArmoredCar/SetArmoredCarsGeneric.cs b/ArmoredCar/ArmoredCar/SetArmoredCarsGeneric.cs
index 291deed..550c07e 100644
--- a/ArmoredCar/ArmoredCar/SetArmoredCarsGeneric.cs
+++ b/ArmoredCar/ArmoredCar/SetArmoredCarsGeneric.cs
@@ -30,7 +30,7 @@ namespace ArmoredCar
         /// </summary>
         /// <param name="armoredCar">Добавляемый автомобиль</param>
         /// <returns></returns>
-        public bool Insert(T armoredCar)
+        public int Insert(T armoredCar)
         {            
             return Insert(armoredCar, 0);
         }
@@ -40,10 +40,10 @@ namespace ArmoredCar
         /// <param name="armoredCar">Добавляемый автомобиль</param>
         /// <param name="position">Позиция</param>
         /// <returns></returns>
-        public bool Insert(T armoredCar, int position)
+        public int Insert(T armoredCar, int position)
         {
             if (position < 0 || position >= Count)
-                return false;
+                return -1;
             
             if (!(_places[position] == null))
             {
@@ -57,7 +57,7 @@ namespace ArmoredCar
                     }
                 }
                 if (index_empty == -1)
-                    return false;
+                    return -1;
                 else
                 {
                     for (int i = index_empty; i > position; i--)
@@ -67,20 +67,20 @@ namespace ArmoredCar
                 }
             }            
             _places[position] = armoredCar;
-            return true;
+            return position;
         }
         /// <summary>
         /// Удаление объекта из набора с конкретной позиции
         /// </summary>
         /// <param name="position"></param>
         /// <returns></returns>
-        public bool Remove(int position)
+        public T Remove(int position)
         {
             if (position < 0 || position >= Count)
-                return false;
-            
+                return null;
+            T armoredCar = _places[position];
             _places[position] = null;
-            return true;
+            return armoredCar;
         }
         /// <summary>
         /// Получение объекта из набора по позиции