update:

TMI-practicum/Program.cs

@@ -78,10 +78,12 @@ namespace TMI_practicum
                         solved.Contains(new Intersection(intersection.X, intersection.Y + 10e-15)) ||
                         solved.Contains(new Intersection(intersection.X, intersection.Y - 10e-15))
                     ) continue;
+
+                    Console.WriteLine(InCircles(circles));
                     
                     failed = true;
                     Console.WriteLine("Not found: {0}\t{1}", intersection.X, intersection.Y);
-                    Console.WriteLine("corrrect");
+                    Console.WriteLine("correct");
                     foreach (var intersection1 in correctSol)
                     {
                         Console.WriteLine("{0}\t{1}", intersection1.X, intersection1.Y);
@@ -203,5 +205,27 @@ namespace TMI_practicum
                 sw.WriteLine("\r\n{0}", time);
             }
         }
+
+
+        private static int InCircles(IList<Circle> circles)
+        {
+            int count = 0;
+
+            foreach (var toCheck in circles)
+            {
+                foreach (var circle in circles)
+                {
+                    if (circle == toCheck) continue;
+
+                    if (circle.R > toCheck.R && circle.Distance(toCheck) < circle.R &&
+                        circle.FindIntersections(toCheck) == null)
+                    {
+                        count++;
+                    }
+                }
+            }
+
+            return count;
+        }
     }
 }