diff --git "a/8. \320\240\320\265\320\272\321\203\321\200\321\201\320\270\320\262\320\275\321\213\320\265 \320\260\320\273\320\263\320\276\321\200\320\270\321\202\320\274\321\213/CaseAlternatorTask.cs" "b/8. \320\240\320\265\320\272\321\203\321\200\321\201\320\270\320\262\320\275\321\213\320\265 \320\260\320\273\320\263\320\276\321\200\320\270\321\202\320\274\321\213/CaseAlternatorTask.cs"
index 64b6f0d..075e6ef 100644
--- "a/8. \320\240\320\265\320\272\321\203\321\200\321\201\320\270\320\262\320\275\321\213\320\265 \320\260\320\273\320\263\320\276\321\200\320\270\321\202\320\274\321\213/CaseAlternatorTask.cs"	
+++ "b/8. \320\240\320\265\320\272\321\203\321\200\321\201\320\270\320\262\320\275\321\213\320\265 \320\260\320\273\320\263\320\276\321\200\320\270\321\202\320\274\321\213/CaseAlternatorTask.cs"	
@@ -1,10 +1,11 @@
+using System.Linq;
 public class CaseAlternatorTask
     {
         public static List<string> AlternateCharCases(string lowercaseWord)
         {
             var result = new List<string>();
             AlternateCharCases(lowercaseWord.ToCharArray(), 0, result);
-            return result;
+            return return result.ToArray().Distinct().ToList();
         }
 
         static void AlternateCharCases(char[] word, int startIndex, List<string> result)
@@ -24,4 +25,4 @@ static void AlternateCharCases(char[] word, int startIndex, List<string> result)
             AlternateCharCases(word, startIndex + 1, result);
             word[startIndex] = char.ToLower(word[startIndex]);
         }
-    }
\ No newline at end of file
+    }