fix snippet tag position (#1861)

* fix snippet tag position

* remove extra space

* fix snippet tag position

Author: mairaw

snippets/csharp/VS_Snippets_CLR_System/system.Collections.Generic.HashSet_Clear/cs/Program.cs

@@ -1,11 +1,11 @@
-//<snippet01>
-using System;
+using System;
 using System.Collections.Generic;
 
 class Program
 {
     static void Main()
     {
+        //<snippet01>
         //<snippet02>
         HashSet<int> Numbers = new HashSet<int>();
 
@@ -22,6 +22,7 @@ static void Main()
 
         Console.Write("Numbers contains {0} elements: ", Numbers.Count);
         DisplaySet(Numbers);
+        //</snippet02>
 
         void DisplaySet(HashSet<int> set)
         {
@@ -37,7 +38,6 @@ void DisplaySet(HashSet<int> set)
         * Numbers contains 10 elements: { 0 1 2 3 4 5 6 7 8 9 }
         * Numbers contains 0 elements: { }
         */
-        //</snippet02>
+        //</snippet01>
     }
 }
-//</snippet01>

snippets/csharp/VS_Snippets_CLR_System/system.Collections.Generic.HashSet_UnionWith/cs/Program.cs

@@ -1,11 +1,11 @@
-// <snippet01>
-using System;
+using System;
 using System.Collections.Generic;
 
 class Program
 {
     static void Main()
     {
+        //<snippet01>
         //<snippet02>
         //<snippet03>
         HashSet<int> evenNumbers = new HashSet<int>();
@@ -34,6 +34,7 @@ static void Main()
 
         Console.Write("numbers contains {0} elements: ", numbers.Count);
         DisplaySet(numbers);
+        //</snippet02>
 
         void DisplaySet(HashSet<int> set)
         {
@@ -51,7 +52,6 @@ void DisplaySet(HashSet<int> set)
         * numbers UnionWith oddNumbers...
         * numbers contains 10 elements: { 0 2 4 6 8 1 3 5 7 9 }
         */
-        //</snippet02>
+        //</snippet01>
     }
 }
-// </snippet01>