diff --git a/main_form.cs b/main_form.cs
index 39ad979..cd5f136 100644
--- a/main_form.cs
+++ b/main_form.cs
@@ -210,6 +210,7 @@ namespace KRY_0x01_ng
             prep_message(textBox5);
 
             string cryptmessage = "";
+            string transient_cryptm = "";
             string msg = prep_msg_str;
             int arrtb_gl = arrayTable.GetLength(0);
 
@@ -239,9 +240,17 @@ namespace KRY_0x01_ng
                 }
 
                 string resulting_digraph = ech1.ToString() + ech2.ToString();
-                cryptmessage += resulting_digraph;
+                transient_cryptm += resulting_digraph;
+            }
+            for (int i = 0; i < transient_cryptm.Length; i+=5)
+            {
+                if (i < transient_cryptm.Length - 4)
+                {
+                    cryptmessage += transient_cryptm.Substring(i, 5) + " ";
+                    continue;
+                }
+                cryptmessage += transient_cryptm.Substring(i, transient_cryptm.Length-i);
             }
-
             textBox7.Text = cryptmessage;
             return;
         }