diff --git a/RPP_FirstLaba_Tractor/RPP_FirstLaba_Tractor/FormTractorCollection.cs b/RPP_FirstLaba_Tractor/RPP_FirstLaba_Tractor/FormTractorCollection.cs
index b2708e0..4c32193 100644
--- a/RPP_FirstLaba_Tractor/RPP_FirstLaba_Tractor/FormTractorCollection.cs
+++ b/RPP_FirstLaba_Tractor/RPP_FirstLaba_Tractor/FormTractorCollection.cs
@@ -36,7 +36,7 @@ namespace ProjectTractor
             FormTractor form = new();
             if (form.ShowDialog() == DialogResult.OK)
             {
-                if (_tractors + form.SelectedTractor)
+                if (_tractors + form.SelectedTractor != -1)
                 {
                     MessageBox.Show("Объект добавлен");
                     pictureBoxCollection.Image = _tractors.ShowTractors();
diff --git a/RPP_FirstLaba_Tractor/RPP_FirstLaba_Tractor/SetGeneric.cs b/RPP_FirstLaba_Tractor/RPP_FirstLaba_Tractor/SetGeneric.cs
index 2ad9043..c0d112a 100644
--- a/RPP_FirstLaba_Tractor/RPP_FirstLaba_Tractor/SetGeneric.cs
+++ b/RPP_FirstLaba_Tractor/RPP_FirstLaba_Tractor/SetGeneric.cs
@@ -30,17 +30,12 @@ namespace ProjectTractor.Generics
         /// </summary>
         /// <param name="tractor">Добавляемый трактор</param>
         /// <returns></returns>
-        public bool Insert(T tractor)
+        public int Insert(T tractor)
         {
-            if (_places[0] == null)
-            {
-                _places[0] = tractor;
-            }
-            else
-            {
-                return Insert(tractor, 0);
-            }
-            return true;
+            if (_places[Count - 1] != null)
+                return -1;
+
+            return Insert(tractor, 0);
         }
         /// <summary>
         /// Добавление объекта в набор на конкретную позицию
@@ -48,23 +43,23 @@ namespace ProjectTractor.Generics
         /// <param name="tractor">Добавляемый трактор</param>
         /// <param name="position">Позиция</param>
         /// <returns></returns>
-        public bool Insert(T tractor, int position)
+        public int Insert(T tractor, int position)
         {
 
             if (!(position >= 0 && position < Count))
-                return false;
+                return -1;
             if (_places[position] != null)
             {
                 int ind = position;
                 while (ind < Count && _places[ind] != null)
                     ind++;
                 if (ind == Count)
-                    return false;
+                    return -1;
                 for (int i = ind - 1; i >= position; i--)
                     _places[i + 1] = _places[i];
             }
             _places[position] = tractor;
-            return true;
+            return position;
         }
         /// <summary>
         /// Удаление объекта из набора с конкретной позиции
diff --git a/RPP_FirstLaba_Tractor/RPP_FirstLaba_Tractor/TractorsGenericCollection.cs b/RPP_FirstLaba_Tractor/RPP_FirstLaba_Tractor/TractorsGenericCollection.cs
index da5fb77..8a333eb 100644
--- a/RPP_FirstLaba_Tractor/RPP_FirstLaba_Tractor/TractorsGenericCollection.cs
+++ b/RPP_FirstLaba_Tractor/RPP_FirstLaba_Tractor/TractorsGenericCollection.cs
@@ -28,7 +28,7 @@ namespace ProjectTractor.Generics
         /// <summary>
         /// Размер занимаемого объектом места (ширина)
         /// </summary>
-        private readonly int _placeSizeWidth = 210;
+        private readonly int _placeSizeWidth = 200;
         /// <summary>
         /// Размер занимаемого объектом места (высота)
         /// </summary>
@@ -56,14 +56,12 @@ namespace ProjectTractor.Generics
         /// <param name="collect"></param>
         /// <param name="obj"></param>
         /// <returns></returns>
-        public static bool operator +(TractorsGenericCollection<T, U> collect, T?
-        obj)
+        public static int operator +(TractorsGenericCollection<T, U> collect, T? obj)
         {
             if (obj == null)
-            {
-                return false;
-            }
-            return collect?._collection.Insert(obj) ?? false;
+                return -1;
+
+            return collect._collection.Insert(obj);
         }
         /// <summary>
         /// Перегрузка оператора вычитания
@@ -85,6 +83,7 @@ namespace ProjectTractor.Generics
         /// </summary>
         /// <param name="pos"></param>
         /// <returns></returns>
+        /// 
         public U? GetU(int pos)
         {
             return (U?)_collection.Get(pos)?.GetMoveableObject;
@@ -133,7 +132,7 @@ namespace ProjectTractor.Generics
                 if (tractor != null)
                 {
                     int countRows = _pictureWidth / _placeSizeWidth;
-                    tractor.SetPosition(_pictureWidth - _placeSizeWidth*2 - (i % countRows * _placeSizeWidth) + 20, _pictureHeight - i / countRows * _placeSizeHeight - 150);
+                    tractor.SetPosition(_pictureWidth - _placeSizeWidth - (i % countRows * _placeSizeWidth), _pictureHeight - i / countRows * _placeSizeHeight - 150);
                     tractor.DrawTransport(g);
                 }
             }