Day i do not know

46. Permutations/Program.cs

@@ -0,0 +1,12 @@
+namespace _46._Permutations;
+
+internal class Program
+{
+    static void Main(string[] args)
+    {
+        var arr = new int[] { 1,2,3 };
+        var l = new Solution().Permute(arr);
+        foreach (var row in l)
+            Console.WriteLine(String.Join(" ", row));
+    }
+}