diff --git a/56_Life_for_Two/csharp/Board.cs b/56_Life_for_Two/csharp/Board.cs
index 7886d4c2..f3cb0329 100644
--- a/56_Life_for_Two/csharp/Board.cs
+++ b/56_Life_for_Two/csharp/Board.cs
@@ -1,8 +1,9 @@
+using System.Collections;
 using System.Text;
 
 namespace LifeforTwo;
 
-internal class Board
+internal class Board : IEnumerable<Coordinates>
 {
     private readonly Piece[,] _cells = new Piece[7, 7];
     private readonly Dictionary<int, int> _cellCounts = 
@@ -14,7 +15,7 @@ internal class Board
         set => this[coordinates.X, coordinates.Y] = value;
     }
 
-    public Piece this[int x, int y]
+    private Piece this[int x, int y]
     {
         get => _cells[x, y];
         set
@@ -57,4 +58,17 @@ internal class Board
             (_, 0 or 6) => $" {x % 6} ",
             _ => $" {this[x, y]} "
         };
+
+    public IEnumerator<Coordinates> GetEnumerator()
+    {
+        for (var x = 1; x <= 5; x++)
+        {
+            for (var y = 1; y <= 5; y++)
+            {
+                yield return new(x, y);
+            }
+        }
+    }
+
+    IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
 }
diff --git a/56_Life_for_Two/csharp/Generation.cs b/56_Life_for_Two/csharp/Generation.cs
index 26f8189e..b96ee478 100644
--- a/56_Life_for_Two/csharp/Generation.cs
+++ b/56_Life_for_Two/csharp/Generation.cs
@@ -45,12 +45,9 @@ internal class Generation
     {
         var board = new Board();
 
-        for (var x = 1; x <= 5; x++)
+        foreach (var coordinates in _board)
         {
-            for (var y = 1; y <= 5; y++)
-            {
-                board[x, y] = _board[x, y].GetNext();
-            }
+            board[coordinates] = _board[coordinates].GetNext();
         }
 
         return new(board);
@@ -76,18 +73,14 @@ internal class Generation
 
     private void CountNeighbours()
     {
-        for (var x = 1; x <= 5; x++)
+        foreach (var coordinates in _board)
         {
-            for (var y = 1; y <= 5; y++)
-            {
-                var coordinates = new Coordinates(x, y);
-                var piece = _board[coordinates];
-                if (piece.IsEmpty) { continue; }
+            var piece = _board[coordinates];
+            if (piece.IsEmpty) { continue; }
 
-                foreach (var neighbour in coordinates.GetNeighbors())
-                {
-                    _board[neighbour] = _board[neighbour].AddNeighbour(piece);
-                }
+            foreach (var neighbour in coordinates.GetNeighbors())
+            {
+                _board[neighbour] = _board[neighbour].AddNeighbour(piece);
             }
         }
     }