backing up

ConsoleApp/Maps/SquareCell.cs

@@ -1,7 +1,14 @@
 namespace ConsoleApp.Maps
 {
-    public class SquareCell
+    public struct SquareCell : ISquareCell
     {
-        
+        public int X { get; }
+        public int Y { get; }
+
+        public SquareCell(int x, int y)
+        {
+            X = x;
+            Y = y;
+        }
     }
 }