Initial data commit

Task/Permutations/C-sharp/permutations-4.cs

@@ -0,0 +1,14 @@
+namespace Permutations_On_RosettaCode
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            string[] list = "a b c d".Split();
+            foreach (string[] permutation in Permutations<string>.AllFor(list))
+            {
+                System.Console.WriteLine(string.Join(" ", permutation));
+            }
+        }
+    }
+}