diff --git a/AirPlaneWithRadar/AirPlaneWithRadar/MapWithSetPlainGeneric.cs b/AirPlaneWithRadar/AirPlaneWithRadar/MapWithSetPlainGeneric.cs
index d636c51..0c116dc 100644
--- a/AirPlaneWithRadar/AirPlaneWithRadar/MapWithSetPlainGeneric.cs
+++ b/AirPlaneWithRadar/AirPlaneWithRadar/MapWithSetPlainGeneric.cs
@@ -119,7 +119,7 @@ namespace AirPlaneWithRadar
             int CountWidth = _pictureWidth / _placeSizeWidth;
 
             int x = _pictureWidth - _placeSizeWidth - _placeSizeWidth/2 - _placeSizeWidth / 4;
-            int y = (_pictureHeight - _placeSizeHeight)-  _placeSizeHeight/2;      
+            int y = _placeSizeHeight/4;      
 
             for (int k = 0; k < _setPlains.Count; k++)
             {
@@ -137,7 +137,7 @@ namespace AirPlaneWithRadar
                         _setPlains.Get(k)?.SetObject(x, y, _pictureWidth, _pictureHeight);
                         _setPlains.Get(k)?.DrawningObject(g);
                         x = _pictureWidth - _placeSizeWidth - _placeSizeWidth / 2 - _placeSizeWidth / 4;
-                        y -= _placeSizeHeight ;
+                        y += _placeSizeHeight ;
 
                     }
                 }
@@ -148,7 +148,7 @@ namespace AirPlaneWithRadar
                     else
                     {
                         x = _pictureWidth - _placeSizeWidth - _placeSizeWidth / 2 - _placeSizeWidth / 4;
-                        y -= _placeSizeHeight;
+                        y += _placeSizeHeight;
                     }
                 }
             }
diff --git a/AirPlaneWithRadar/AirPlaneWithRadar/SetPlaneGeneric.cs b/AirPlaneWithRadar/AirPlaneWithRadar/SetPlaneGeneric.cs
index 03b74b3..15fd5a5 100644
--- a/AirPlaneWithRadar/AirPlaneWithRadar/SetPlaneGeneric.cs
+++ b/AirPlaneWithRadar/AirPlaneWithRadar/SetPlaneGeneric.cs
@@ -6,8 +6,9 @@ using System.Threading.Tasks;
 
 namespace AirPlaneWithRadar
 {
-    internal class SetPlaneGeneric<T>
+    internal class SetPlaneGeneric<T,U>
          where T : class
+         
     {
         private readonly T[] _places;
         public int Count => _places.Length;
@@ -33,14 +34,14 @@ namespace AirPlaneWithRadar
             
             return -1;
         }
-        public bool Insert(T plain, int position)
+        public int Insert(T plain, int position)
         {
             if (position > Count || position < 0)
-                return false;
+                return -1;
             if (_places[position] == null)
             {
                 _places[position] = plain;
-                return true;
+                return position;
             }
             else
             {
@@ -53,11 +54,11 @@ namespace AirPlaneWithRadar
                             _places[j] = _places[j - 1];
                         }
                         _places[position] = plain;
-                        return true;
+                        return position;
                     }
                 }
             }
-            return false;
+            return -1;
 
         }
         public T Remove(int position)